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【单选题】
What is/are the advantage（s）of cranes over conventional cargo booms ________．A.
Cranes are able to pick up and drop loads over a greater spotting area
B.
Increased safety because the deck is clear of running and standing rigging
C.
Simplicity of operation of the crane by its operator
D.
All of the above
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【单选题】He used ______ that there was nothing he couldn't do.
A.
believe
B.
to believe
C.
to have believed
D.
believed
【单选题】But for your timely help, I ________ the project as scheduled.
A.
couldn’t complete
B.
couldn’t have finished
C.
can’t have finished
D.
can’t finish
【单选题】根据增值税法律制度的规定，某汽车销售公司（增值税一般纳税人）销售小轿车时一并向购买方收取的下列款项中，应作为价外费用计算增值税销项税额的是（ ）。
A.
小轿车改装费
B.
因代办缴税收取的车辆购置税税款
C.
因代办保险收取的保险费
D.
因代办牌照收取的车辆牌照费
【单选题】He ___ at the meeting this morning.He was in hospital at the time.
A.
couldn’t have spoken
B.
mustn’t have spoken
C.
shouldn't have spoken
D.
needn’t have spoken
【单选题】He ________ the exam, but he was too careless.
A.
could have passed
B.
couldn’t have passed
C.
must have passed
D.
may have passed
【单选题】He couldn't have meant it ________ He must have been pulling your leg.
A.
seriously
B.
repeatedly
C.
properly
D.
jolly
【单选题】— ___ he have finished his homework? —Yes, he ___. Otherwise, he couldn’t be watching TV now.
A.
Must, can
B.
Can, can
C.
Must must have
D.
Can, must have
【简答题】—___________ he have apologized to Kate? —Yes,he ___________.Otherwise,she couldn’t be dating with him now. A．Must;can B．Can;can C．Must;must have D．Can;must have
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