4. 他丢了工作，所以他一直在考虑快点找到个新的工作。

He lost his job. So he ______ _______ _______ __________ a new one quickly.

5. ── Hi, Joan, I haven't seen you for weeks. What _______ ______ _______ ________ recently?（最近在做什么？）

── _________ __________ _______ _________ on wildlife.

6. 这篇文章我已经写了两小时了， 但还没写完。

I _______ _________ _________ ________ __________ for 2 hours,

but I _______ __________ ________

四． 单项选择：

1.. I haven't seen Mary these past few days. I'm afraid she ________ herself for some time.

A. hasn't been feeling B. hadn't been feeling

C. isn't feeling D. wasn't feeling

2. You ________ things about. Look, what a mess in your room.

A. always throw B. have always thrown

C. are always throwing D. have always being throwing

3. ── The former president was caught at last.

　── Really? Where ________ himself?

A. had he hidden B. has he hidden C. was he hidden D. has he been hiding

4. ── The possibility of a flood was just over the radio.

　── I know. I heard about it. The river _______ the top of its bank.

A. has reached B. reaching C. had been reached D. had reached

5. ── Hi, I haven't seen you since 3 years ago. What ________ recently?

　── Preparing for my new book.

A. have you done B. have you been doing C. were you doing D. did you do

6. ── How are you today?

　── Oh, I ________ as ill as I do now for a very long life .

A. didn't feel B. wasn't feeling C. don't feel D. haven't felt

7. The surface of the table ________ smooth enough.

A. isn't felt B. isn't feeling C. doesn't feel D. hasn't felt

8. ── Do you know our town?

A. was B. have been C. came D. am coming

　　9. ── Has Tom finished his composition yet?

　　── I have no idea; he ________ it this morning.

A. wrote B. had written C. has written D. was writing

10. Now that you ________ from abroad, what are you going to do?

A. have returned B. are returning C. return D. returned

11. - I'm sure Andrew will win the first prize in the final.

- I think so. He _______ for it for months.

A. is preparing B. was preparing

C. had been preparing D. has been preparing