Fifteen people were present　　　　the meeting held yesterday,and five were absent　　it

His wife is in bad condition now and he has to_____ a smiling face though heavy-hearted in the company.[ ]

rry, but there is no smoking on thisflight—Oh, I _____that Sorry, I won’t again

It is in this laboratory ______ is run by Mr. Wu ______ the experiments are done.

Don’t do that again. Don’t you think it _______? — It maybe _______ to be successful.