问题

Stop killing this kind of birds! They _______. [ ]

A: are dying out
B:AIDU_
C: have died out
D: have died off

正确答案是：

同类题型

The scientist corresponds with colleagues in order tolearn about matters ________ to her own research

______ students went to the show yesterday.

Did Zhou Libo say anything that _____ you in Mr Zhou Live Show —Not really. Actually I slept through his performance.

The heavy rain made the tourists at the hotel all day with nothing to do.

His father feels like ________a walk after dinner while his mother would like ______TV at home.