1 . — How did I do on           test?
— Well, actually you didn’t do very well. I wonder if you had had            good review of your lessons.

A．a; a

B．the; the

C．a; the

D．the; a

2 . I’m afraid of ______________ (fall down) during the night.
我担心帐篷在夜里倒塌。

3 . Two Chinese astronauts headed outside the nation’s Tiangong space station on February 9, 2023 for   ________ seven-hour-long spacewalk, ________ first of the ongoing Shenzhou 15 mission.

A．a; the

B．the; the

C．a; a

D．the; a

4 . It was worth __________ cost, Alcaraz felt, because she could tell the staff cared about her daughter, greeting the 16-month-old by name each morning. (用适当的词填空)

5 . Over the past year, she has been actively engaged in searching international connections in _________healthcare industry, first for China and later on for her own country. Thanks to the network she built through Tsinghua, she was able to organize donation of personal protective equipment for both China and her own country. (用适当的词填空)

6 . 我们班有四分之一的男生不喜欢英语。
________ ________ ________ ________ ________in our class don’t like English.

7 . However, no one in modern times knew about the tomb or the terracotta statues until 1974, ________while they were digging a well!
然而，直到1974年几位农民打井时(无意)发现了这座陵墓，现代人才知道了这座皇陵利和兵马俑！

8 . He explains that ________disappearance of one animal can have serious consequences to remaining species in that habitat. (用适当的词填空)

9 . When it comes to ______ benefit of volunteering, a lot of people think it’s all about the warm feeling after helping someone.（用适当的词填空）

10 . These days a stable job plays ________ useful part in a single woman’s life.

A．a

B．an

C．/

D．the