解放军文职考试：情态动词+have done的用法经典例题

The mother asked her children to keep their mouths ________ and their eyes ________．

A.shut; open
B.shutting; pening
C.shut; opened
D.shutting; opened

答案 :
A
In the past he often made his sister ________, but now he is often made ________ by his sister．

A.to cry; to cry
B.cry; cry
C.to cry; cry
D.cry; to cry

答案 :
D