Which is compulsory among the following health insurances in China()
A. The New Rural Cooperative Medical Scheme
B. The Urban Employee Basic Medical Insurance Scheme
C. The private medical insurance
D. The Urban Resident Basic Medical Insurance Scheme
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The police will have a difficult time ______()
A. as usuall
B. as usual
C. than usua
D. from usual
The detectives waited inside the main building. This was the ______ building()
A. most important
B. smallest
C. first
D. greatest
Someone had told the police that thieves would try to steal the diamonds. This happened ______ the plane arrived()
A. before
B. after
C. when
D. as soon as
It_______ last night, for the road is all wet()
A. must have rained
B. can’t have rained
C. should have rained
D. might have rained