Sure, here are the correct answers:

II. Choose the correct answer:
2. If I find it, I **will tell** you.
- A. will tell

3. If I were in your place, I **would make** a trip to England.
- D. would make

4. If the weather **is** fine, we will go on a picnic.
- A. is

5. If I **were** you, I’d save some of your lottery winnings.
- B. were

6. If he **works** harder, the results will be better.
- B. works

7. If you had the chance, **would** you go fishing?
- B. would

8. If we took the 6:30 train, we **would arrive** too early.
- D. would arrive

9. If I had enough money, I **would go** abroad to improve my English.
- C. would go

10. If Peter **does not come**, Sarah will be sad because she wants to meet him.
- C. does not come

III. Use the correct tense of the verbs in the parentheses:
1. The girls **are sewing** some clothes for their dolls now.
- (sew)

2. The students often **collect** waste paper for recycling.
- (collect)

3. We **have not seen** them for a long time.
- (not/see)

4. Mr. Pike **has lived** here since last October.
- (live)

5. Mr. Jackson **painted** his house since last month.
- (paint)

6. How long **have you been studying** in this school?
- (study)

7. Mr. Brown **used to play** football when he **was** young.
- (used play, be)

8. Sue can **speak** Vietnamese very well.
- (speak)

9. **Have you seen** your grandparents recently? - No, I **have not seen** them since I **moved** to this city.
- (see, not see, move)

10. **Have you received** any letter from your parents yet?
- (receive)

11. Bell **invented** the telephone in 1876.
- (invent)

12. He **has known** her lately.
- (know)

13. **Have you ever been** to Moscow?
- (ever/be)

14. They **are preparing** the Christmas dinner at the moment.
- (prepare)

15. Mr. John **has been** principal of our school since last year.
- (be)

16. I **have not seen** him since I last **met** him 5 years ago.
- (not/see, meet)

17. Would you mind **turning** on the light? I hate **sitting** in a dark room.
- (turn, sit)