题目内容
She calls back whenever someone ______ her a message.
| A．left | B．leaves | C．had left | D．will leave |
B
解析试题分析：句意：无论何时有人给她留信息，她都给回电话。在时间状语从句中，用一般现在时表示将来，选B。
考点：考查时态
--- Hey, Mary, your backpack looks nice. When did you buy it.
--- I ____ it for two weeks.
| A．had | B．bought | C．have had | D．have bought |
I would have come earlier, but I _____ that you were waiting for me.
| A．didn’t know | B．hadn’t know | C．would have known | D．haven’t known |
I ____________ you not to move my dictionary—now I can’t find it.
| A．asked | B．ask | C．was asking | D．had asked |
Scientists also have no idea how long it will be before all wild animals in the cages _____.
| A．should be set free | B．will be set free |
| C．are set free | D．would be set free |
I’ m tired out. I ______ all afternoon and I don’t seem to have finished anything.
| A．shopped |
| B．have shopped |
| C．had shopped |
| D．have been shopping |
—Tom，you’ve got an A in the final English exam.Congratulations!
—Thanks.But I never thought the result came out so fast.The papers________when I left the teacher’s office just now.
| A．had been marked |
| B．were still being marked |
| C．are still marking |
| D．had been marking |
If nothing________，the oceans will turn into fish deserts. (2013·湖南，26)
| A．does | B．had been done |
| C．will do | D．is done |
When I ________ home, I caught a thief stealing from a passerby.
| A．headed | B．was heading |
| C．has headed | D．had headed |