we can ---good friends.you must ---very happy.A ,is ,areB.are ,is C.are are D.be be
问题描述：
we can ---good friends.you must ---very happy.A ,is ,areB.are ,is C.are are D.be be
答
d
答
D
情态动词后用动词原型
答
D.be be
情态动词后用动词原形,
翻译：我们可以成为好朋友.你肯定非常幸福.
顺便说一下must的用法.must除了表示命令（如：You must come .你一定要来）.也可表非常肯定的猜测.如：He must be in the classroom now.