I think it’s impossible for _______ people to do _______work in ________a short time．

下列表示重量单位的是______.

will they play?—They will play football.

What kind of movies do you like? — I like the movies ________about Chinese history.

Most of the young girls know they should cut down on fat, but knowing such a thing isn’t of much help when it ______ shopping and eating.