问题

__________ it’s very difficult, remember not to give up until the last minute.

A:Until
B:Unless
C:Although
D:Since;

正确答案是：

同类题型

Must I return the dictionary today—No, you _________. But you _________ return it tomorrow.

If you ______ go, at least wait until the storm is over.

________ that he managed to get the information?— Oh, a friend of his helped him. [ ]

It’s too late. Why _____ now

David has got everything ready, _________ it well