I didn’t hear the phone. I ___ asleep.
A.must be | B.must have been |
C.should be | D.should have been |
Please don’t try to back out _____ everything has been arranged.
A.until | B.though | C.when | D.unless |
Simon is very regretful. If he had been more careful, he _____ such a big mistake.
A.hasn’t made | B.hadn’t made |
C.won’t have made | D.wouldn’t have made |
______ by jeep, we visited a number of cities in South China.
A.Traveling | B.Traveled |
C.To be traveling | D.Having traveled |
Zheng He had over 300 ships, _______ some were over 150 meters long and could carry up to 1,000 people.
A.that | B.which | C.of which | D.on which |
______ the dangerous situation, he was not nervous but handled it in a clever way.
A.In search of | B.In need of |
C.In face of | D.In support of |