1,请你大声点,以便我们能听到你.
Please speak aloud so that we can hear you clearly.
2,他不习惯每个周末去饭店
He didn't get used to going to the hotel on Sunday.
3,我过去常常把所有的前花在书上
I used to spend all my money on the book.
4,在世界上许多地方,污染是一个严重的问题
Pollution is a serious problem in many places of the world.