用括号内所给动词的适当形式填空。

1.  In the past three years, my home town ______________(change) a lot.

2.  It’s hard to say what ____________ (happen) in one hundred years in our country.

3.  Usually what the teachers say _________ (forget) by the students, so the teachers have to repeat their words again and again.

4.  I know you must be very tired after ________ (prepare) for the English test for such a long time.

5.  When I got to the station yesterday morning, my friends _______(wait ) for me at the entrance.

6.  He heard a loud noise. Then he stopped watching TV and _______(see) a big mouse.

7.  Any books including paper should not ________ (take) into the test classroom.

8.  Where are your parents?  They __________ ( make ) dinner in the kitchen.

9.  By the time she was fifteen, she ___________ ( teach ) herself a foreign language.

10.  All of us are willing _____________ ( help ) you at any time.