When _______ about their opinion of the effect of modern equipment on their performance of tasks, many young people gave a positive response.
#95468
A
asked
B
asking
C
being asked
D
to ask
推荐题目
The children went back home from the grammar school, their lessons ________ for the day.
#91666
A
finishing
B
had been finished
C
finished
D
had finished
In order to prevent the disease ___________ to other districts, the authorized organization killed thousands and thousands of cows.
#96575
A
extending
B
spreading
C
expanding
D
stretching
Take care not to get your shoes ______ in mud．
#96603
A
wet or covered
B
to be wet or covered
C
to be wet or covered
D
wet or be covered
The research is so designed that once _______ nothing can be done to change it.
#98631
A
begins
B
having begun
C
beginning
D
begun