◆精编陷阱题训练◆
1.—Who are making so much noise in the garden?
—_______ the children.
A. It is B. They are
C. That is D. There are
2. It is _______ he often fails in exams ______ makes his parents worried about him.
A. what; that B. that; what
C. that; that D. / ; that
3. It is the protection for the trees _______ really matters, rather than how many trees are planted.
A. what B. that
C. 不填 D. which
