Could you give me a hand？It seems that my strength has .
| A．used up | B．run out |
| C．been given out | D．run out of |
Mr Smith ______ a book about China last year but I don’t know whether he has finished it.
| A．has written | B．wrote |
| C．had written | D．was writing |
“It’s twelve o’clock, I think I must be off now.” “Oh, really？ I ______ it at all.”
| A．don’t realize | B．haven’t realized |
| C．didn’t realize | D．hadn’t realized |
“Since you’ve agreed to go, why aren’t you getting ready？” “But I ______ that you would have me start at once.”
A. don’t realize B. didn’t realize
C. hadn’t realized D. haven’t realized
答案选B.“没意识到”是对方提醒之前的事。
“What’s her new telephone number？” “Oh, I _____.”
| A．forget | B．forgot |
| C．had forgotten | D．am forgetting |
“Oh it’s you！ I ________ you.” “I’ve had my hair cut.”
| A．didn’t realize | B．haven’t realized |
| C．didn’t recognize | D．don’t recognized |