John’s mother always asks him ____his homework at school.

I won’t have anyone _____ in here. Whoever breaks the regulation will get punished.

One outstanding feature of DF-41 missile is its ability to locate the __________ position of the target it wants.

derstanding of education, work and society isdifferent from ______ of the earlier generation.

The party, __________at 7：30 pm last night, was followed by a brief dinner. [ ]