问题
I won’t call you ________ something unexpected happens.
A:while
B:whether
C:because
D:unless;
B:whether
C:because
D:unless;
正确答案是：
同类题型
This programme became more popular after it _______the best TV Show of the Year
Could I use your telephone? —— Yes, of course you ＿＿＿＿＿＿＿＿＿＿＿＿＿.
the end of the war, many of the pricelessantiques ______ to their rightful owners．
If you had joined the chat room ten minutes ago, you _____ what we were talking about.