根据句意及单词首字母完成单词。

1. How to i____________ my English is a big problem.

2. In spring ,l___________ begin to grow on the trees.

3. My English teacher always e___________ us to study English well.

4. If you study hard in the new term , you will make p____________.

5. Jenny likes m__________ friends with others.

青年人运动健身的好处包括（）。

A.有助于心理素质的健康发展

B.有助于适应环境变化

C.为担负脑力和体力劳动奠定基础

D.有助于长高变漂亮