193What they need at present _______ science and technology

You are late again. The class _________ for five minutes.—Sorry. There’s something wrong with my bike.

If I________ you,I would ask him to stay. [ ]

How much do you have in your pocket?—150 yuan, all of _______ came from my grandma.

Of the two coats, she’d like to choose the _______ one because she has no enough money.