【单选题】
A series of robberies _____recently.
【单选题】
An institution that properly carries the name university is a more comprehensive and complex institution than any other kind of higher education _____.
【单选题】
Farmers are allowed to grow small gardens of their own and they sell their vegetables _____the black market.
【单选题】
A sheet of metal was shaken to _____ the sound of thunder.
【单选题】
Feeling that she was in the right, she took _____at the dirty remark.
【单选题】
The electric fan does not work because of the _____of service.
【单选题】
This is a _____ moment for our research. We should be careful.
【单选题】
They have considered their high standard of living a(n) _____for practicing their basic beliefs.
【单选题】
_____the factors already referred to, people sometimes feel insecure beause their motives are misunderstood by others.
【单选题】
My cousin Nancy is often in a poisonous mood; I suppose it’s because she is _____child.