Question

Hurry up, or the tickets ________ out by the time we get there．

[　　]

A．

will have been sold

B．

have sold

C．

will sell

D．

have been sold

Answer 1

答案：A
提示：

由we get there可判断出从句用一般现在时代替将来时。by＋将来时间，主句常常用将来完成时。