21. The children lost in the woods; otherwise, they would have been at the lakeside camp as scheduled.
| A．must have got |
| B．must get |
| C．should have got |
| D．should get |
相关试题
You____________ television. Why not do something more active?
| A．always watch | B．are always watching |
| C．have always watched | D．have always been watching |
This photo of mine was taken__________ stood the famous high tower.
| A．which | B．in which | C．where | D．there |
Some of you have finished Book One.________, you can go on with Book Two.
| A．If you may | B．If you do |
| C．If not | D．If so |
The stadium _________ by workers now will be finished by the end of 2010.
| A．to build | B．built |
| C．to be built | D．being built |
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