各位网友,大家来帮帮我一些英语问题吧!

各位网友,大家来帮帮我一些英语问题吧!
1.Our teachers often share happiness and sadness—us.
A.to B.at C.with D.for
2.We’ll have a___ holiday. What about going to the WestLake?
A. three days B. three day C. three-days D. three days’
3.3,896 is___.
A. three thousand, eight hundred and ninety-six.
B. three thousand, eight hundred ninety-six
C. three thousands, eight hundreds and ninety-six
D.three thousand, eight hundred and ninety six
4.Where are our teachers? Are they in ___?
A. the room 809 B. Room 809 C. the 809 room D. 406 room
5.The air conditioner is _ the window.
A. in B. above C. between D. inside
6.In the street I saw some _ _ in the __ car.
A. policemen; policemen B. policemen; police C. police; policemen D. policeman; policeman
7.That tennis ball is one of ___.
A. Jane father B. Jane’s father C. Jane father D. Jane’s father’s
8.They ___carefully, but they didnt ___ anything.
A. listened; listen B. listened; hear C. heard; hear D. heard; hear
9.They ___carefully, but they didnt ___ anything.
A. listened; listen B. listened; hear C. heard; hear D. heard; hear
10. I think Maths is _____ useful subject.
A. a. B. an. C. the D. /
谢谢大家了，因为我是才注册的账号，钱还不是很多，所以希望大家能真心帮帮我，我一定感激不尽。

1.C 2.B 3.A 4.B 5.A 6.B 7.D 8.B 9.B 10.A
哪个不懂可以再问我.
另外第2题的B应该是three-day.第8和9题是重复了.