问题

Why do you look sad—There are so many problems ______.

A:must
B:remained settling
C:remaining to be settled
D:remained to be settled

正确答案是：

同类题型

It hasbeen a wonderful eveningThank youvery much—

Though it is difficult, I ______ him find a job, which made him very pleased.

lease open the door, it ______.—-OK, dear. I am coming.

31. George ___ the good chance to present his proposal to the director, and at last, it was adopted.

He’ll come _______ I promise him tobuy that new dictionary