---There is somebody knocking at the door. Who________ it be?
---I’m not sure. It ________ be a postman.
| A．may; must | B．will; can | C．can; may | D．may; will |
相关试题
It’s reported that a terrible rainstorm hit _______ south of our country.
| A．a | B．the | C．/ | D．an |
–Whose shirt is this?
--It _______ be Li Lei’s. It is too big for him.
| A．could | B．must | C．can’t | D．might |
I saw many ____________ eating grass on the hill.
| A．horse | B．cow | C．rabbit | D．sheep |
—By the way, have you got ______ e-mail address?
—Oh, yes, it is swimonland @ hotmail.com.
| A．a | B．an | C．the | D．/ |
means______.
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