Tom often spends as much time as he can to learn English.为什么要用to learn

Tom often spends as much time as he can to learn English.为什么要用to learn

题目
Tom often spends as much time as he can to learn English.为什么要用to learn
为什么不能用(in) doing
答案
spend 主语是人 1.sb.spend……on sth.2.sb.spend……(in) doing sth.例如:He spent twenty yuan on the book.he spent two hours (in) finishing the work spend ...to do 没学过,在这 是表目的吧,感觉布太对 啊....
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