why do you look so upset?there are so many problems___a.remaining to be settled b.remaining to .---Why do you look so upset?___There are so many problems_______. a.remaining to be settled b.remaining to settle c.remained settling d.remained to be settled
问题描述：
why do you look so upset?there are so many problems___a.remaining to be settled b.remaining to .
---Why do you look so upset?___There are so many problems_______. a.remaining to be settled b.remaining to settle c.remained settling d.remained to be settled
答
D
答
there be +v_ing有 ——正
答
A