how long do you often spend ------(play) football after school
问题描述:
how long do you often spend ------(play) football after school
答
放学后花多少时间踢足球。
答
playing.
词组:
1spend time (in) doing sth in通常被省
2spend time on sth
答
playing
spend +ing
答
(in) playing
答
playing
根据词组 spend some time in doing sth.其中的介词IN可以省略的
答
playing. 词组:sb. spend time (in) doing sth.