问题
Remember that you won’t be able to cancel the contract ____you’ve signed
A:before
B:until
C:once
D:though
B:until
C:once
D:though
正确答案是：
同类题型
In my eyes, one of the best ways to lose weight is regularly.
，when Marx was already ，he began to learn Russian.
13 It’s beyond words Nowhere else in the world _______ such a wonderful house!
In recent years many football clubs ______ as business to make a profit
Do you like dogs——Sure.Dogs are ____ to people. They are our _____.