单项选择题
A.took place B.occurred C.broke out D.happened
We advised him to give up smoking,（）a lot of exercise.A...
单项选择题We advised him to give up smoking,（）a lot of exercise.
A.to do B.and to do C.and do D.and doing
The refrigerator is（）we must buy some food.A.bareB.blan...
单项选择题The refrigerator is（）we must buy some food.
A.bare B.blank C.hollow D.empty
These plants are rather difficult（）A.to look afterB.to ...
单项选择题These plants are rather difficult（）
A.to look after B.to be looked after C.being looked after D.looking after
