摘要：(07西安高三第一次质量检测) -Is there any vaccine against bird flu that can be used on humans? -No.but scientists are working to develop . A.that B.it C.one D.so 答案 C
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陕西省西安五校2011届高三第一次模拟考试英语试题
I really don't know _____ I put my wallet after I paid the bill．
A．where was it B．it was where that
C．where it was that D．where was it that．
查看习题详情和答案>>陕西省西安五校2011届高三第一次模拟考试英语试题
— Sorry, I can't return your book today because I am only half way through it．
—____ I have plenty of other books to read．
A．Take it easy B．No wonder C．Take your time D．No doubt
查看习题详情和答案>>陕西省西安五校2011届高三第一次模拟考试英语试题
— Mum, would you please buy me an MP5 player?
— If you can help do some housework the whole vacation，you ____ have one as a reward．
A．must B．need C．would D．shall
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