问题
选择题
—Do you spend a lot of time____ computer?
—No, but I spend much time_____ doing my homework.
A．on; in
B．in; on
C．on; on
D．in; in
答案
答案：A
本题主要考虑spend的用法其结构为主语+spend money+in
Doing,或on sth，故选A
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