摘要：26．(江西省九江市六校2010届高三上学期第一次联考) -Who it be that is knocking at the door? --It be father, but I’m not sure. A. can, may B. may,can C. may,must D. need, should 答案 A
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---There’s someone knocking on the door. Who _________ it be?
---It must be John. He promised to be here at 8:00.
A. must B. can C. need D. shall
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——Who it be that is knocking at the door?
——It be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
A. can; must B. can; may C. must; can D. may; must
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