I saw a boy ( )under the tree just now A :to stand B:standing C:stood D:was standing 选哪个?
问题描述:
I saw a boy ( )under the tree just now A :to stand B:standing C:stood D:was standing 选哪个?
答
I saw a boy ( )under the tree just now A :to stand B:standing C:stood D:was standing 选哪个?