题目内容
The teacher told us that the problem was not _____ easy and that we should think _____ over carefully.
A. such, it B. that, it
C. such, 不填 D. that，不填
B
.The teache rfound ____ difficult to decide____ he would take with him to attend the
conference.
A.it;whom B.himself;who C.this;whom D.that;who
