为了赶上早班车，我不得不早起。

catch the early bus,I had to get up early.

[对点训练]用since/for填空。

① She's been working in a bank 1990.

③ We have known each other twenty years.

④ I haven’t seen her a long time.

⑤ We have lived here ten years ago.

② (2015 •常州中考) Your hometown is really nice!The air quality is as good as of Sanya.

   A. it   B. one   C. that   D. the one

① The population of China is larger than of America.

   A. this   B. that   C. it   D. one

②Peter tried on three jackets,but of them fitted him.

   A. all   B. both   C. none   D. neither

①一I'm hungry,is there any bread in the fridge?

一 ，but we have cakes. Would you like to have one?

   A. Some   B. Much   C. None   D. Nothing

用 discover/find/find out/look for 的适当形式填空。 

① I'm my pen.

② He can't his watch anywhere.

③ I it difficult to learn English well.

④ Please the answer to the question.

⑤ Scientists around the world are working to a cure for AIDS.

选择already/yet填空。 

① He has not begun to work.

(2) - Have you had your lunch?

—No,not .

③I have finished my homework.

4. 你应该停止吸烟，因为它对你的身体有害。

You should stop smoking,because it's  your health.

3. 他每天通过跑步锻炼。

He   every day.