三、按照要求改寫句子
1.Learning English seems difficult for my brother.
________ _______________ ________my brother to learn English.
2.People say that tea is also famous in England.
___________ ____________ ____________ tea is also famous in England.
3.Drinking tea is good for health and can be good to business.
Drinking tea is good for ___________health ___________business.
4.We pick tea every spring in the mountain.
5.Tea _________ __________ by us every spring in the mountain.
6.We use silk to make all kinds of clothes.
Silk ________ __________ to make all kinds of clothes by us.