8. Children at the beginning of this century ____ a lot and ____ themselves greatly even without television.

A. used to read; enjoying　　 B. used to read; enjoyed

C. were used to reading; enjoy

D. were used to read; enjoying

[解析]选B　 前后时态要保持一致。

7. -- There is something wrong with my bike.

-- It doesn't matter. I ____ lend you mine.

A. am to　 B. am going to　 C. was going to　 D. will

[解析]选D be to表示按计划安排将来的动作，be going to 表示最近打算做某事，will 在此是情态动词，表示“意志；意愿”。如：I will tell you all about it.

6. He made a mistake, but then he corrected the situation ____ it got worse.

A. until　　 B. when　　 C. before　　 D. as

[解析]选C意思是“在事情还未变得更糟之前及

时纠正错误”。

5. John, who is considered ____ a warm-hearted man, is considering ____ his neighbor out of trouble.

A. to be; to help　　 B. to be; helping

C. being; to help　　 D. being; helping

[解析]选B be considered to be “被认为是……”；consider doing “考虑做某事”。

4. -- Excuse me, what time is it now?

　　 -- Sorry, my watch ____. It ____ at the shop.

　　 A. isn't working; is being repaired

　　 B. doesn't work; is being repaired

　　 C. isn't working; is repaired

　　 D. doesn't work; is repaired

[解析]选B doesn't work说明“手表不工作”的状态，而不只是现在才坏了。后句意为“手表正在商店里修理”，故应用is being repaired。

3. -- When are you leaving?　 -- My plane ____ at 10:45.

A. takes off　　　　　　 B. took off

　　 C. is about to take off　　 D. will take off

[解析]选A飞机是按时刻表运行的。

2. Twenty-three hours has passed after the explosion in the mine, but rescue efforts to recover the missing ____ carried out.

　　 A. are still being　　 B. have already been

　　 C. are always　　 D. will soon be

[解析]选A本句意为“矿井爆炸已过23小时了，但对失踪人员的搜索还在进行中。”