—What do you think made Celia so happy?—________a prize in the recent competition.
#88281
A
As she won
B
Won
C
Winning
D
Because of winning
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Though ______, many laws of nature exist.
#97974
A
not having been discovered
B
having not been discovered
C
not having discovered
D
having not discovered
Wang Hua has a better command of English _________ to make such mistakes.
#97707
A
not
B
as
C
them
D
than
Helen had to shout_____.
#97588
A
making herself
B
to making herself hear
C
making herself heard
D
to make herself heard
to work overtime that evening, I missed a wonderful film.
#94855
A
Having been asked
B
To ask
C
Having asked
D
To be asked