Grammar
C1
Cambridge English C1 Exam
Complete each sentence by choosing the option that best fits the gap. This exercise reviews a mix of grammar topics.
Mixed Exercise
Question 1
Only after the committee had reviewed the evidence .......... the proposal.
did endorse they
did they endorse
they did endorse
they endorsed
Question 2
She has .......... uncanny ability to defuse tension with a single remark.
the
an
-
a
Question 3
I .......... (to try) to reach you all morning—my calls keep dropping.
am trying
was trying
have been trying
have tried
Question 4
By the time the auditors arrived, the company .......... (to destroy) the relevant files.
had been destroying
had destroyed
destroyed
has destroyed
Question 5
This time next week, I .......... on a beach, trying not to check my email.
will have lain
will lie
will be lying
am lying
Question 6
The final decision .......... until all stakeholders have been consulted.
won't make
won't have made
isn't made
won't be made
Question 7
You .......... have told the client the figures were provisional; now they feel misled.
shouldn't
should
should be
must be
Question 8
The CEO refused to .......... the allegations, insisting they were politically motivated.
back out
back up
back down from
back off
Question 9
If the report .......... (to be) more clearly structured, it would have been easier to act on.
had been
has been
would be
was
Question 10
"I can't guarantee delivery by Friday," the supplier admitted. → The supplier admitted that .......... guarantee delivery by Friday.
he hadn't been able to
he wouldn't
he can't
he couldn't
About Grammar — Cambridge English C1
This Cambridge English C1 Grammar exercise reviews a mix of grammar points. For each sentence, choose the option that best completes the gap.
Regular grammar practice at C1 builds the accuracy you need across every part of the exam — Use of English, Reading, Listening and Writing.
Frequently Asked Questions
What does this C1 Grammar exercise cover?
A mix of grammar topics, with each question focused on a specific point such as tenses, articles, prepositions or pronouns.
Why is grammar important for the Cambridge exam?
Grammatical accuracy is assessed directly in Use of English and Writing, and strong grammar helps you understand Reading and Listening too.
How can I improve my grammar?
Practise little and often, review the specific topic behind each mistake, and read the whole sentence before choosing your answer.
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What to do
This part consists of a series of assessments, each having only one valid answer.
Select the best answer according to what you read.
There's only a correct answer which you will have to select by clicking on it.
Don't spend time in an assessment you don't know. Wasting time on this activity might cost you points later in the exam because you won’t have enough time to do other tasks well. Get used to being quick!
Don't spend time in an assessment you don't know. Wasting time on this activity might cost you points later in the exam because you won’t have enough time to do other tasks well. Get used to being quick!
Although these grammar tests are not part of the official Cambridge exams, they are still important as they touch on language elements that you'll come across in all parts of the official exams, such as Reading and Use of English.
Strategy
- Read the assessment so you understand what it is about.
- Pay attention to the topic on the top-right corner of each assessment.
- Check the words before and after each gap and look for grammatical collocations.
- Remember that you select a choice by clicking on it.