The police will have a difficult time ______()
A. as usuall
B. as usual
C. than usua
D. from usual
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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
I need a secretary, but I haven’t got anyone______()
A. out of my mind
B. at the back of my mind
C. on my mind
D. in the front of my mind