问题

You can’t complain about being left out ______you don’t make any effort to share your joys and sorrows with others.

A:once
B:unless
C:when
D:though;

正确答案是：

同类题型

It is I who ____ going to attend themeetingtomorrow

填在下文横线上的四句话，最恰切的一组是（）他抬手看表，发现才凌晨4点。窗外临水枕河的小院悄无声息，，，。，与世隔绝，船舱里静寂如梦。①就连自己置身其中的小楼②惟有自己的呼吸在空气中震荡着③也没有一丁点儿响动④像一条远离地球的太空船。

If you wave your book in front of your face, you can feel the air _____ against your face. [ ]

Roses need special care ______they can live through winter

Peter was so excited _______he received an invitation from his friend to visit Chongqing