Read the sentences and fill in the blanks with proper words (选择正确的的单词填空，使其内容通顺)
1.This lovely doll which sells at a high price is made in________(America/American).   
2.You should try to make________(less/fewer) mistakes in your exam.   
3.Don't drink________(too much/too many) wine. It's bad for your health.   
4.________ (Keep/Keeping) a healthy diet is very important for us.   
5.(How about/Why not) ________take a walk after supper with your parents every day?   
6.Spend more time________(eat/eating) with your family.

It's ____________fifty metres. （   ）

A．on

B．from

C．more than

Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子。每空格限填一词)
1.We should have enough exercise to stay________. (health)   
2.He watches television________a day. (one)   
3.How many outdoor________do you like? (activity)   
4.You should eat________(little) meat and________(many)vegetables and fruit.   
5.Ben is________interested in cartoon films. (real)

—Does your class have ______ 30 students? (    )
—Yes, there are 35.

A．many than

B．more than

C．much than

Mr. Thomas is the ______________ of our teachers.(    )

A．tall

B．more tall

C．tallest