—Tom, it seems that you haven’t cleaned your bedroom the whole week .
—You didn’t come in around 10 yesterday morning; I ________ it .
| A．cleaned | B．have cleaned | C．was cleaning | D．had cleaned |
相关试题
----Where did you put the broom,Tom?
-----I _______it behind the door．But now it is gone．
| A．do put | B．do putting | C．did to put | D．did put |
They experimented _____the new medicine _____anima
ls．
A．on; to B by ; on C．with ; on D with; to
Children under six are not ______to school except those of extraordinary intelligence．
A．permitted B．admitted C accepted D．received
three times，but she still couldn’t follow what the old man said．
| A．Having told | B．Having been told |
| C．She had been told | D．Though he had been told |
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