用恰当的介词填空1,We have lunch __the morning.2,We don't go to school___Saturday and Sunday.3,I go to bed ___half past ten.4,We go to Shanghai___December.5,Jim and Li Lei swim____.6,The teachers come to the school ___September 10th.7,Uncle Zhang often goes to work____Mike.解答时请简单扼要说明理由!

1.in in the morning
2.on on+具体的某几天
3.at at+具体的时间点
4.in in+月份
5.题目不对，介词不可能置于最后，没有答案。
6.on on+具体的某几天
7.with 和...一起

1 in in the morning为固定短语
2 on
3 at
4 in
5
6 on 在具体时间前用on
7 with

in
on
at
in
with
on
with

1. in 泛指在上午，下午，傍晚 用in the...
2. on 在具体某一天或某天的上午，下午，傍晚用on
3. at 在几点用at
4. in 在某月，某年用on
5.
6. on 同2
7. with 带着.... with

1.We have lunch in the morning.
@ If it is a specific time period in one day's morning ,afternoon,evening,we use IN
2.we don't go to school on Saturday and Sunday.
@If it is a specific time for one day,we use ON.
3I go to bed at half past ten.
@if it is a specific clock time,we use AT
4.we go to shanghai in December.
@ before Month ,we use IN
5.jim and li lei swim together.
@ Here we should use Adverb instead of prepositions.
6The teacher came to the school on September 10th.
@ Same as 2.
7 Uncle Zhang often goes to work with Mike.
@ Here shows "to accompany",so we use with.

1.in
2.on
3.at
4.in
5.with
6.on
7.with
上午，下午，晚上用in，时间用at，星期和月份用in，日期用on，和...一起用with