--Who______ it be that is knocking at the door?
--It ______ be Father, but I’m not sure.
A.can; may | B.can; must |
C.must; can | D.may; must |
It was not until she failed in the exam ______she realized the importance of study.
A.when | B.did | C.and | D.that |
________at the restaurant with a wide variety of dishes served before, Bob didn’t want to eat there again.
A.Having eaten | B.To eat | C.Eat | D.Eating |
He was about to tell me the secret ______ someone patted him on the shoulder.
A.as | B.until | C.when | D.while |
I ________ to visit you later that day, but I had to phone and cancel.
A.come | B.came | C.am coming | D.was coming |
When we saw the road ______ with snow, we decided to spend the holiday at home.
A.cover | B.to cover | C.covering | D.covered |