问题
Being physically examined for free twice a year is what every clerk _____ be ensured in any company of the state.[ ]
A: must
B: shall
C: ought to
D: need
B: shall
C: ought to
D: need
正确答案是：
同类题型
Those overseas students volunteer 10 hours each week in Paris ______ free food and accommodation[ ]
I’m Tom. He is my brother. ______name is Jack.
The car ran ___ the direction of Shanghai
A little learning is not dangerous solong as you know ________
Lectures were _____ so students could be more focused on their study for the finals.