若是英语高手请进！

15. When Susan and I _______ on an article for the school newspaper, we found it difficult to work together.
A. compiled
B. gathered
C. collaborated
D. joined
满分：2.5 分
16. — Northwestern Airlines. May I help you? — _______
A. Yes, I’d like some information about morning flights from Beijing to Detroit.
B. Yes, I’d like to have two pints of beer, please.
C. Well, there’s flights at 11.00 am. It’s nonstop flight.
D. Well, all the seats have been reserved.
满分：2.5 分
17. Little _______for his future life.
A. he will expect
B. he does expect
C. does he expect
D. has he expect
满分：2.5 分
18. It is necessary that he _______.
A. stay
B. could stay
C. would stay
D. stays
满分：2.5 分
19. The organization works hard to _______ friendship between nations.
A. promote
B. speed
C. hasten
D. hurry
满分：2.5 分
20. When you

c
a
c
d
a
c
b
c
c
d
a
c
c
c
d
b

我做的，不知道对不对，希望对你有帮助
15-20:CACDAD
21-25:BCBDB
26-30:CCCDB

C
A
C
D
A
C
B
C
C
D
A
C
C
C
D
B

正确答案在句子中

15. When Susan and I ___c含贬义，合作____ on an article for the school newspaper, we found it difficult to work together.
A. compiled
B. gathered
C. collaborated
D. joined
满分：2.5 分
16. — Northwestern Airlines. May I help you? — __a_____
A. Yes, I’d like some information about morning flights from Beijing to Detroit.
B. Yes, I’d like to have two pints of beer, please.
C. Well, there’s flights at 11.00 am. It’s nonstop flight.
D. Well, all the seats have been reserved.
满分：2.5 分
17. Little ___c部分倒装____for his future life.
A. he will expect
B. he does expect
C. does he expect