Great changes _____in my hometown in the past few years.
have taken place      B.have been taken place     C.took place     D.were taken place

 Since the epidemic appeared last winter, it ______ about a hundred lives.

As high school students, it’s very important to keep ourselves ______ of what’s happening home and abroad every day.

----I _________ the book for a whole hour .
---- No wonder you look so tired .

Recently quite a lot of exports _______ that another law on wildlife protection ________ as soon as possible .

The shop assistant promised me that the material ____, and what she said ___ to be true .
would be dried easily ; was proved  B. will be dried easily ; was proved
C. dried easily ; proved              D. dried easy ; proved

What our teacher said ______ me.

The teacher commanded that the exercises _______ in an hour.
A. was finished   B . were finished   C should finish   D. be finished

The zoo keepers is worried because the number of visitors  __       smaller
and smaller.

Usually John  __      to school in his father’s beautiful car.