建设用地使用权转让、互换、出资、赠与或者抵押的，当事人应当采取书面形式订立相应的合同。使用期限由当事人约定，但是（）

A.不得超过建设用地使用权期限

B.不得少于建设用地使用权期限

C.不得少于建设用地使用权的剩余期限

D.不得超过建设用地使用权的剩余期限

句型转换。

1. He has to clean his room himself. (一般疑问句)

    _______ he ________ clean his room himself?

2. You'd better take out the trash. (否定句)

    You'd better ________ out the trash.

3. It's a very boring thing. (感叹句)

    ________ it is!

4. She cleans her room twice a week. (对划线部分提问)

    ________ she ________ her room?

5. They took some photos there. (否定句)

    They ________ photos there.