问题

Could we accomplish the task according to the schedule? — I doubt that. The problem remains ______ we can get financial aid within this week.

A:that
B:how
C:why
D:when

正确答案是：

同类题型

I have passed the driving test.—-_______!

–We need a person badly to be in charge ofthis design–_________ the new comer have a try

, what would you like to eat for lunch,pizza, pasta or sushi —_______ I have a good appetite.

_______ the extreme levels of air pollution, city authorities have started to take measures to quickly reduce pollution levels and protect city dwellers.

rang you several times yesterday but couldn’t .