1、on
( 1 ) 在------上面 the book is on the desk.
( 2 ) 在------（哪一天/星期）what do you do on wednesday?
( 3 ) 在------（月、日）my birthday is on august 2nd.
2、in
（1）在------里面 the pens are in the pencil-box.
（2）在------（哪一年/月） his birthday is in october. he wor ked here in 1992.
（3） 在------（地方） he works in dongguan.
（4）在------之内 what are you going to do in 20 years?
（5） 在------（早上、下午、晚上） i do morning exercises in the morning every day. i usually play basketball in the afternoon. i often do my homework in the evening.
3、at
（1）在------（点钟） i usually go to school at 8:00 am.
（2）在中午 at noon
4、under 在------底下 there is a ball under the bed.
5、 near 在------附近 there is a book shop near our school.
6、in front of 在------前面 a boy is standing in front of the house.
7、 beside 在------旁边 a football is beside thedoor.
8、on the right 在------右边 the hospital is on the right.
9、before 在……之前 mike sits before me.
10、after 在------以后 he went home after school.
11、in the middle 在------中间 the road is in the middle.
12、 from 来自 i am from china. = i come from china.
13、 behind 在------后面 there is a broom behind the door.
14、next to 紧挨着 there is a bus station next to no. 13 middle school.
15、over 在------正上方 a bridge is over the river.
16、 on the left 在------左边 the bookstore is on the left.
17、to
（1）到。take your sportshoes to the p.e class.
（2）致。happy birthday to you. give it to your friend.