判断下列句中介词用得是否正确，正确的打“√”，错误的打“×”，并将错的改正过来。
（ ）1、It's time to lunch.
（ ）2、It's hot outside. Please put on your coat.
（ ）3、How with this skirt ?
（ ）4、Who's at duty today ?
（ ）5、My father's birthday is at the l st of June.
（ ）6、On the street, there are many cars.
（ ）7、I can see lots with trees.
（ ）8、Do you like to play on a yo-yo ?
（ ）9、There is a park in the theatre.
（ ）10、In your right, I can see two boys.
（ ）11、The girl in white is my student.
（ ）12、I can see some boys in the bus stop.
（ ）13、Can you write an e-mail with English ?
（ ）14、Who are you talking in ?
（ ）15、Would you like to read the new words for us ?
（ ）16、Here's a birthday cake to you.
（ ）17、What can I do to you ?
（ ）18、The monkey in a long tail is very lovely.
（ ）19、What are you good in ?
（ ）20、You can get down at the first stop.
