---You seem busy these days．
---Yes．I’m writing a story．You know, it’s really not easy to write _______ with attractive plots.
| A．this |
| B．one |
| C．it |
| D．that |
---Sorry, sir. I can't answer this question.
---Well, you are supposed ______ this part of history.
| A．reading | B．to be reading | C．to read | D．to have read. |
I promise _____ else can you find ____ better computer at such a low price.
| A．anywhere, a | B．nowhere, the | C．nowhere, a | D．somewhere,/ |
--- You seem to be familiar with London.
--- I ______ there for three years. It’s great to be back.
| A．lived | B．had lived | C．have lived | D．live |
Much to my surprise, she ______ tears ______ she read the letter.
| A．burst out; instant | B．burst into; the instant |
| C．burst out; instantly | D．burst into; instant |
----You didn’t wait for Mr. Smith last night, did you?
---- Yes, but we _______. He didn’t return home at all.
| A．needn’t have | B．should have | C．didn’t need to | D．don’t have to |