--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 |
No one imagined that the apparently _____ businessman was really a criminal.
A.respectful | B.respectable | C.respective | D.respected |
We won't know whether it will be successful. We won't know whether there will be good _____.
A.ends | B.results | C.effects | D.causes |
The government placed _____ on the numbers of foreign cars that could be imported.
A.limitations | B.restraint |
C.requirements | D.restrictions |
He ate what he could, and gave the _____ of the food to the birds.
A.remain | B.uneaten | C.rest | D.part |
Mary had taken _____ to see that her guests had everything that they could possibly want.
A.efforts | B.pains | C.attempts | D.endeavors |