---Is John coming by train?
--- He should, but he _______ not. He likes driving his car.
A. must B. can C. need D. may
The manager told the assistants to _______ all the customers’ names and address.
A. set out B. set about C. set up D. set down
--- Have you finished the book?
--- No, I've read up to _______ the children discover the secret cave.
A. in which B. what C. that D. where
He was late for the meeting _________ the heavy snow.
A. as a result B. because C. as a result of D. in the result
They tried to convince her _______ his innocence.
A.of B. about C. to D. in
We can never expect ______ bluer sky unless we create _______ less polluted world.
A.the; a B. a; a C. the; the D. a; the
