The door opened suddenly and ____, laughing and shouting.
| A．three boys coming in | B．come in three boys |
| C．in coming three boys | D．in came three boys |
He went there, _____ some books and call on an old friend of his.
| A．bought | B．buying | C．buy | D．to buy |
It is the first time that you have come to China, _____?
| A．haven’t you | B．isn’t it |
| C．hasn’t it | D．aren’t you |
— Shall I go and buy two more bottles of beer?
— No, I’ve already bought twenty. That _____ be enough for us two.
| A．can | B．may | C．ought to | D．might |
Whether by accident or _____ , he arrived too late to help us.
| A．purpose | B．aim |
| C．design | D．chance |
—Do you know where my blue coat is ?
—Don’t bother to look for it. I’m sure it will_____
some day.
| A．turn out | B．turn on |
| C．turn up | D．turn over |