单项选择题

Tom was absent today because he had to ______ his ill little brother.

A．look at
B．look after
C．look for
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单项选择题
A．To go to bed.B．To do her homework.C．To play computer games.
A．To go to bed.
B．To do her homework.
C．To play computer games.
填空题
People put vegetables in it.
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