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

Her sister ____ a taxi driver.Now she works for a charity.

News books _________ to our school last week.

The sports meeting will ________ because of the terrible weather.—Sorry to hear that.

Most people take clean water for granted, but we ________ any if we don’t stop polluting the rivers and lakes.[ ]

If we can’t put our hands ________ some food andwater, we shall have nothing to eat.