单选题 Henry,don't spend too much time ______TV. You'd better do your homework.
[A] watching [B] to watch [C] on watching

【正确答案】 A
【答案解析】考查动词用法和同定搭配。动词spend后跟其他动词时，要用(in)doing sth.，其中介词不能用on。注意，其后用介词on时，on后只能跟名词。