It was not until the teacher had explained it three times _______ how to work out the problem.
A.did he understand | B.had he understood |
C.that he understood | D.that he didn’t understood |
The teacher asked a very difficult question. It was Ted who finally _____ a good answer.
A.came up with | B.had raised |
C.went through with | D.put up with |
I just wonder _______ that makes him so excited.
A.why it does | B.what it does | C.how it is | D.what it is |
-I like Tom very much_________he sometimes gives me some trouble.
-Oh, it's unbelievabae.
A.even if | B.as if | C.even now | D.as though |
When I came back to my hometown again, I found it changed so much that I could hardly _______it。
A.remember | B.realize | C.imagine | D.recognize |
_____people who learn Engiish as a foreign language ________more than 750 million.
A.A number of... reach | B.The number of...come to |
C.The number of... reaches | D.A number of...comes to |