Let's play computer games______.A .for while b.for while c.for a minutes d.a while

问题描述:

Let's play computer games______.A .for while b.for while c.for a minutes d.a while

for a while

C

C选项显然是错的 minutes 是名词复数,前面用不定冠词a ,不对.
A、B 两个选项均是for while 也不对

what?