单项选择题

My grandfather was a（）teacher,it′s the only job he′d ever done.

A.profession
B.occupation
C.amateur
D.career

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After living here for so long.I（）the noise.A.used toB.d...

单项选择题After living here for so long.I（）the noise.

A.used to
B.didn't use to
C.am used to
D.use to

Under no（）should we surrender to our enemies.A.circumst...

单项选择题Under no（）should we surrender to our enemies.

A.circumstances
B.environment
C.situation
D.condition

When facing difficulties and obstacles,we should never ...

单项选择题When facing difficulties and obstacles,we should never act in a（）way.

A.constructive
B.positive
C.negative
D.active

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