1. One of our rules is that every student _______ wear school uniform while at school.
A. might B. could C. shall D. will
2. Our school makes _______ a rule that students______ bring their mobile phones to campus.
A. it; needn’t B. it; mustn’t C. that; mustn’t D. that; needn’t
3. Something terrible _______ if Li Chang was not coming to eat in his restaurant ______ he always did.
A. must have happened; what B. could have happened; as
C. must have happened; as D. could have happened; what
4. It is so wet there that the trees are extremely tall, some _________ over 90 meters.
A. are measured B. are measured C. measured D. measuring
5. The fact is ______ I earned my passage by working as an unpaid hand, which ______ my appearance.
A. that; accounts for B. \; accounts for
C. how; give an explanation to D. \; give an explanation to
