I was so tired that i couldn't keep my eyes ______.A.opening B.open C.opened D.to open.为何选B而不是选A?我知道是keep sth + adj,但是A怎么解释不行呢?不是keep me waiting吗?

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I was so tired that i couldn't keep my eyes ______.A.opening B.open C.opened D.to open.为何选B而不是选A?我知道是keep sth + adj,但是A怎么解释不行呢?不是keep me waiting吗?
I was so tired that i couldn't keep my eyes ______.A.opening B.open C.opened D.to open.
为何选B而不是选A?
我知道是keep sth + adj,但是A怎么解释不行呢?
不是keep me waiting吗?

I was so tired that i couldn't keep my eyes ______.A.opening B.open C.opened D.to open.为何选B而不是选A?我知道是keep sth + adj,但是A怎么解释不行呢?不是keep me waiting吗?
是这样的,wait本身是一个“持续动词”,就是说wait(等待)这个动作是可以持续一段时间的,所以keep me waiting说得通的.但是open 就不同,“open”这个动作是一瞬间的,例如你打开门或者张开眼睛都是短时间内的动作,所以不能用opening表示这个动作的持续,而只能用形容词open表示这种状态的持续.

没be

open本身就有形容词的意思,不需要加ing.