问题

You’d better book the tickets in advance; _______ we may miss the concert.[ ]

A: however
B: therefore
C: nevertheless
D: otherwise

正确答案是：

同类题型

By 2015, China plans to have its own Global Positioning System ( GPS) _____ more than 30 satellites. [ ]

When Premier Zhou Enlai was alive，he________work from morninguntil night every day，dealing with numerous affairs.

There is ______ my iPad. It isn’t working.

Either she ______ he is fit for the job, but not me.

下列各句中，没有语病的一句是（）