You must remember that you feed the fish much.A. don’t need toB. needn’t toC. don’t needD

问题补充：

You must remember that you feed the fish much.

A. don’t need to

B. needn’t to

C. don’t need

D. not need

答案：

(答案→)A. don’t need to

B. needn’t to

C. don’t need

D. not need

解析：考查need的用法。作实义动词是，后跟to do，借助于助动词变否定；作情态动词时，后跟动词原形，加not变否定。所以选A。