问题

Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power

A:since
B:after
C:unless
D:before

正确答案是：

同类题型

Sometimes Mr. Wang walked the restaurant and went into the coffee shop.

It is reported that ________ wounded are coming back from Iraq soon.

Wendy with her sisters_______ pumpkin lanterns at home now.

Shall we watch Japanese cartoons––Japanese cartoons are not my cup of tea.I game shows cartoons.

How often does the magazine _____—Once a month.