题目
________student's English speaking and writing abilities is very important.
A.
To improve
B.
Improving
C.
Improved
D.
Improve
知识点：初中英语知识点》动词》非谓语动词》动名词》作主语###牛津上海版（2008）》九年级第一学期》Module 2 Computers vs humans》Unit 4 Computers###牛津深圳版（广州沈阳通用）》八年级上册》Module 2 Science and technology》Unit 3 Computers###章节：Module 2