Where is the morning paper? - I ________ if for you at once.
A. get
B. am getting
C. to get
D. will get
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Shall I bu y some bananasfor you? -________. （不，不要）。
A. No, you won't.
B. No, you aren't.
C. No, please don't.
D. No, please.
_____ you ______ free tomorrow? - No. I _____ free the day after tomorrow.
Are; going to; will
B. Are; going to be; will
C. Are; going to; will be
D. Are; going to be; will be
新生命都是从一个细胞——受精卵发育而来的。
A. 对
B. 错
男性的X染色体和女性的X染色体结合，就形成男性特征。
A. 对
B. 错
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