Zhou Libo’s talk show is very funny. It oftenmakes people_________.

Our government’s plan to fight against air pollution will focus on _____ information and handling PM2.5.

I’m afraid I won’t come ______ 7 and 9. I will be at work then.

下列各句变换句式后，意思发生改变的一项是

Polar bears live _____on sea ice, which they use as a platform for hunting seals [ ]