Each button, when ____, provides a piece of beautiful music.
#88692
A
clicked
B
having clicked
C
clicking
D
being clicked
推荐题目
The project, ______ at the end of 2008, expanded the city’s telephone network to cover 1,000,000 users.
#96882
A
accomplished
B
being accomplished
C
to be accomplished
D
having been accomplished
______ by the clear waters, this forest provides visitors with a wonderful chance to see some endangered birds in the wild.
#90991
A
Being surrounded
B
Surrounding
C
Surrounded
D
To be surrounded
The headmaster told us ____ football in the teaching building.
#96543
A
to not play
B
not to play
C
not playing
D
not played
Is this the reason ________ at the meeting for his carelessness in his work?
#92460
A
explained
B
what he explained
C
how he explained
D
why he explained