His letter is full of mistakes. He _____ the mistakes ...

His letter is full of mistakes. He _____ the mistakes carefully before sending it.

A. must have checked

B. should have checked

C. could have checked

D. can have checked

Select your answer:

Other quiz:

Grammar › View

The birds always sleep at …………………..nests.

A. her

B. my

C. their

Used to & would & Past Simple › View

He grew up in a rich family. His father ______ him to school every day with his Bentley.

A. would drive

B. has driven

C. had driven

D. drives