Air and the sun's rays create much distortion, and whatever tends to _____ their influence is useful to the astronomer.
#81737
A
exclude
B
eliminate
C
extinguish
D
impose
推荐题目
The real cause of the problem ________ the poor construction of the bridge.
#64413
A
results in
B
takes in
C
lies in 
D
brings in
People are _________the use of alternative energy sources. Because the fossil fuels _________will be used sooner or later.
#71491
A
pushing for/ consumed
B
struggling for /being consumed
C
pushing for/ being consumed
D
preferring /being used
Rather than _______on a crowded bus, he always prefers _______a bicycle.
#64387
A
ride; ride
B
riding ; ride
C
ride; to ride
D
to ride ; riding