再次请教英语问题？？？？

1.Do you need help( )your housework?
A.for B.with C.to
选B。help sb. with sth.

2.Look,the boys are very( )to watch the running race.
A.excited B.exciting
选A。修饰“人”兴奋，用加-ed的。

3.I often help my mother( )housework.
A.do B.does
选A。help sb. (to) do sth.

4.Jim and Peter( )in the same class.
A.is B.am C.are
选C。Jim和Peter是两个人，用复数are。

5.Mike and I( )in the class 3.
A.is B.am C.are
选C。同第4题。

6.请不要在这里抽烟。（翻译）
Please don't smoke here.

B 1.Do you need help( )your housework?
A.for B.with C.to
help sb with sth 固定用法，也可以说 help sb do（动词原形）sth.

A 2.Look,the boys are very( )to watch the running race.
A.excited B.exciting
以ed结尾的形容词通常形容人的状态，形容“某人很...”excited某人很兴奋。而以ing结尾的形容词通常物体本身的属性特点，形容“某物令人...”exciting令人兴奋的...

A 3.I often help my mother( )housework.
A.do B.does
help sb do sth，这里的do指的是动词原形，也可以说help sb with sth

C 4.Jim and