Before the earthquake, mice ran out of the fields ________ for places to hide.
#90164
A
look
B
looking
C
looked
D
were looking
推荐题目
------It's too cold this morning. I can't get my car__.------ Have you tried _____ the tank with hot water.
#98023
A
started; to fill
B
to start; filling
C
starting; to fill
D
start, filling
 In the USA, he made a lot of friends ______ English well to make himself ______.
#97969
A
learn; understand  
B
to learn; understood
C
learning; understand
D
learned; understood