用括号中所给单词的适当形式填空。

　　1．Tea is grown in the ________ part of China.(south)

　　2．Look! How ________  the little girl is dancing!(wonder)

　　3．The boy is about 1.2m in  ________.(high)

　　4．The ground is covered with the fallen  ________.(leaf)

　　5．The ________  exercise you take, the ________  you will be.(much, health)

完成句子：根据汉语提示，每空填入一个适当的单词，使句子完整、正确。

　　1．你穿的鞋必须正好，既不要太大，也不要太小。

　　    Your shoes must be just ________，________ too big ________ too small.

　　2．不要把晾衣绳绑在树上。

　　    Don' t ________ the clothes line ________ the tree.

　　3．多亏有说明书，我才学会怎样使用它。

　　    ________ ________ the instructions, I have ________ ________ to use it.

　　4．计算机不仅在中国得到广泛使用，而且在全世界得到广泛使用。

　　    Computers are widely used ________ ________ in China, ________ ________ ________ ________ the world.

　　5．多多益善。

　　    ________ ________ ________ ________

句子改写：在改写后的句中每空填入一个适当的单词，使该句与原句意思相符。

　　1．There are twenty more trees to be planted.

　　    There are ________ ________ trees to be planted.

　　2．Liu Mei doesn't want to go there on foot, and Xiao Hai doesn't, either.

　　    ________  Liu Mei ________ Xiao Hai ________ to go there on foot.

　　3．We must look after young trees.

　　    Young trees ________ ________ ________   ________.

　　4．Spring is the best time for planting trees.

　　    ________  ________  ________   ________  trees ________ spring.

　　5．China has built a new Great Wall across the north of the country.

　　    China has built a new Great Wall across the ________ ________ of the country.

单项填空：从下面四个选项中选出可以填入空白处的选项。

Let's stop the children ________ the trees. It's too dangerous.

　　A．from climb  B．of climbing  C．from climbing   D．to climb

How many trees ________ in the last two years?

　　A．were planted           B．planted

　　C．have planted           D．have been planted