问题

Experts warn that global warming will cause dramatic climate changes, including more ________ floods,heat waves and droughts.[ ]

A:usual
B:frequent
C:ordinary
D:common

正确答案是：

同类题型

I _____ her to book a ticket in advance, but she wouldn’t listen to me. [ ]

_________ .—-I have a stomachache. And I don’t feel like eating anything.

I had wanted to clean out the basement ____, but unfortunately he came back before I did it

I’m Gina.Nice to meet you.

下列各句中没有语病的一句是（）