- 问题详情:用所给词的正确形式填空1.Theseareour______(friend).2.Who______(be)thesegirls?3.Askthatwoman.Ithinkit's______(she)bike.4.______(you)booksareinthebackpack.5.______(that)twoboysareDavidandBill.6.—Are______(this)girlshiscousins?—Yes,theyare.7.Thesearemy...
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