While waiting for the opportunity to get    , Henry did his best to perform his duty.
#88399
A
promote
B
promoted
C
promoting
D
to promote
推荐题目
 ________ by the advances in technology, many farmers have set up wind farms on their land. 
#98404
A
Being encouraged
B
Encouraging
C
Encouraged
D
Having encouraged
To be honest, a lot of people attach great importance to ______rich and famous.
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A
become
B
have become
C
having become
D
becoming
He reached the station _____ only _____ that the train had just left. 
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A
tired;learned
B
tiring;learning
C
to tire;to learn
D
tired;to learn