try to do和 try doing，a little of,how many, look after 造句

1. They should try to keep prices from rising.
他们应该设法阻止价钱上涨。
2.Try cooking most meats for 3 hours at least and they all taste good.
试着把大部分肉做三个小时以上，都会十分美味的。

3.A little of every thing is nothing in the main.
每事浅尝辄止，事事都告无成。

4.How many hobbies do you have?
你有几个爱好？

5. I will look after her child when she is on a business trip.
她出差时我将照看她的孩子。

6. I helped him (to) find his wallet.
我帮他找到了他丢失的钱包。
to可省略

7.Please help me with the work in the kitchen.
请帮我做做饭。

I will try to study hard.
Why not try going by foot?
I know a little of that.
How many students are there in your class?
I will look after my sister when my mother is out.

I always help my mother to do the housework.
He helped me to find my keys.
I will help you with your work.

马上好 I try to do help others

I try helping others . It is a little of helpful
I look aft