用英文补充下列句子

11.我的书是新的，可他的是旧的。
[ my]books are new,but[ his]are old.
12.那些盒子上面有什么？
What[ is]on those[boxes ]?
13.他在帮助那位老人吗？
[ is]he[ helping]the old man?
14.他们在育英小学教英语。
They[teach ]English at Yuying[little ]school.
15.他有兄弟姐妹吗？
[ does]he[has ]any[ brothers]or[sisters ]?
16.你能看见他的书包吗？
[ can]you[ see]his bag?
17.男孩们在踢足球吗？
Are the boys[ playing][ football]?
18。他们不能和我一起来。
They[can't ][ come][with ]me.
19.北京秋天天气怎么样？
What's the weather[ about]in Beijing[at ][autumn ]?
20.这里冬天总下雨。It always[rain ]here[ in]winter.

11.my his
12. are boxes
13 is helping
14 study primary
15 does have brothers sisters
16 can see
17 playing football
18 can't come with
19 like in autumn
20 rains in

11 my ,his
12 is ,boxes
13 is ,helping
14 teach,elementary
15 Does,have,brothers,sisters
16 have,seen
17 playing,football
18 can't come wi