你想知道照片上的男人是谁，你会问：________A．Who's she? B．Who's this man? C．Who's this girl?
根据问句选答句，将序号写在前面的括号里。
My trousers ________ very dirty. I washed them. A. wereB. isC. was
We bought ________ a present. A. yourB. yours C. you
I went to Beijing ________ 2008. A. at B. inC. on
How many ______ did you eat? A. biscuitB. biscuits C. a biscuit
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