4、It's better to drink more water ___ a hot day.

4、It's better to drink more water ___ a hot day.
A.in B.on C.at
7、It's very cold in winter in the northern part of China because there's lots of ___.
A.snow B.snows C.snowy
14、It's too dark!I ___and see nothing in the sky.
A.look at B.look up C.look after
18、The box is too heavy.I can't ___it.
Let me help you!
A.carry B.take C bring
19、Can you ____these to the teacher's office?
Of course.
A.carry B.take C.bring
20、I'm sorry I forget to ___my homework.
Do it next time.
A.carry B.take C.bring
23、Be careful and you will avoid ___a mistake!
Thank you for your advice.
A.make B.to make C.making
24、What a pity!The film is ___.
We should be earlier.
A.over B.end C.finish
初二单选做错的题,以及为什么.我没有很多分,