—Mr. Smith _____ in Russia for 10 years.
—No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.

18． My mother ____ for Beijing in a few days. I wonder when the earliest plane ____ on Monday?

10．–Don’t put the waste on the ground, young man.
--Oh, I’m sorry. I ____ the dustbin there.

The next morning I________ myself up for lost when I was spotted by a ship.

26．— Do you have any idea what Paul does all day?
— As I know, he spends at least as much time playing as he ______.

So far this year, no measures _______ against cruelty to animals despite their protest in the
newspaper.

12.---Ｉwish I ________ the meeting .
----But you can’t .

10.More teachers and students in our school ________ abroad for further study next year.

7.--- Will you go to the lecture this afternoon?
----No. I_______ to the lecture before.

5.The young man _______ his way towards the hutong when he saw a policeman coming.