John's score on the test is the highest in the class; __________.
A、he should study last night
B、he should have studies last night
C、he must have studied last night
D、he must had to study last night
A、he should study last night
B、he should have studies last night
C、he must have studied last night
D、he must had to study last night
第1题
A、should study
B、should have studied
C、must have studied
D、must have to study
第2题
A.must study
B.should have studied
C.must have studied
D.is sure to study
第3题
A.must study
B.should have studied
C.must have studied
D.is sure to study
第4题
A.must study
B.should have studied
C.must have studied
D.is sure to study
第5题
A.must study
B.should have studied
C.must have studied
D.is sure to study
第6题
A.may
B.should
C.must
D.ought to
第7题
A. must have studied
B. should have studied
C. must study
D. should study
第8题
A.should have studied
B.must have studied
C.has studied
D.should study
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