题目内容
( ) 6. —I how he could get such good grades in the exam.
—Oh, he studied hard all the time.
A. ask B. know
C. believe D. wonder
6. D
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题目内容
( ) 6. —I how he could get such good grades in the exam.
—Oh, he studied hard all the time.
A. ask B. know
C. believe D. wonder
6. D