单项选择题
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
I have been to many countries.but I have never seen a b...
多项选择题I have been to many countries.but I have never seen a building with such a（）design.
A.strange B.special C.unique D.particular
