I've never seen anyone run so fast.---____ David go.A.just watch B.just to watch C.just watching D.just having watchedjust do 用法的具体剖析!
问题描述：
I've never seen anyone run so fast.---____ David go.
A.just watch B.just to watch C.just watching D.just having watched
just do 用法的具体剖析!
答
A
答
A. 是个祈使句。
答
d
答
C, 不是很确定
答
A.just watch
just do 的用法