第1题
He didn't pass the final examination. He () it.
A. must have prepared for
B. ought to prepare for
C. ought to have prepared for
D. ought to prepare for
第2题
Why didn't the man pass the exam?
[ A] He didn't make full preparations.
[B] He copied Smith's paper.
[ C] Nobody helped him.
第3题
A.why, because
B.that, because
C.why, /
D.that, that
第4题
The reason why he didn’t come to school was ill.
A.due to
B.that he fell
C.because he fell
D.because of falling
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