He failed in the exams and only then _____ how much time he had wasted.
| A．he realized | B．did he realize | C．he had realized | D．had he realized |
相关试题
___ the room, the nurse found the tape-recorder ___.
| A．Entering; stealing | B．Entering; gone |
| C．To have entered; being stolen | D．Having entered; to be stolen |
____ I understood very little French, I couldn’t follow their conversation.
| A．Although | B．Unless | C．Since | D．Before |
____ to light for a long time, the potatoes turned green.
| A．Introduced to | B．Exposed to | C．Linked to | D．Connected to |
– May I go to the movies tonight, mum?
-- You can when you ____ your homework.
| A．will finish | B．are finishing | C．will have finished | D．have finished |
ebody ___ my radio tomorrow.推荐套卷
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