题目内容
The great chance he has been looking forward to _______ at last.
| A．appear | B．appearing | C．has appeared | D．appeared |
C
解析试题分析：考查时态：句意：他一直盼望的机会最后已经出现了。这句话的主语是the great chance，he has been looking forward to是定语从句，修饰chance，所以横线处应该填谓语动词，从前面的has been looking forward to，可知填现在完成时，选C。
考点：考查时态
I feel so excited! At this time tomorrow morning I to Shanghai.
| A． will be flying | B． will fly |
| C． have been flying | D． have flown |
Don’t get the plastic tube close to the fire; it ______ easily.
| A．burned | B．is burned | C．burns | D．is burning |
----Why didn’t you see me wave to you then?
----Oh, If so. I must say sorry. I think I____ in the other direction.
| A．looked | B．was looking | C．have looked | D．am looking |
---Do you know London at all?
---No, this is the first time that I______ here．
| A．was | B．came | C．have been | D．had been |
—I’m trying to find yesterday’s paper. Have you seen it?
—I’m afraid I ______ it away. I thought you had finished reading it.
| A．had thrown | B．throw | C．would throw | D．threw |
The pills really work! I __________ 7 kilograms in the last two months!
| A．lose | B．lost | C．am losing | D．have lost |
Put on your coat! I _________ you down to the doctor.
| A．have been taking | B．am taking |
| C．took | D．have taken |
--How did she get infected?
--She ________the virus without any protection.
| A．exposed to | B．had been exposed to | C．had exposed to | D．was exposed to |