f - E Everyone was sad that she had to returm to America.
g - C I’m glad that you are feeling better.
7. (trang 61 sbt Ti ng Anh 9):ế Combine each pair of sentences into one.
a. I was surprised that no one stopped those people cutting down the trees.
b. People are worried that the oil will pollute the sea.
c. I am proud that my team has won the first award of the competition.
d. They are certain that they can help us clean up the beach,
e. I am very happy that you could recover very quickly.
f. I am disappointed that they did not tell us how to do it.
8. (trang 61 sbt Ti ng Anh 9):ế Make up sentences with "If". Use the words in the box.
a. If she comes late again, she will lose her job.
b. If I win this competition, I will give the award to the unlucky people.
c. If we go by train, it will be cheaper.
d. If we go by plane, it will be quicker.
e. If you need more bags, I’ll give you some.
f. If we throw bottles over the hedge, that will pollute the wood.
9. (trang 62 sbt Ti ng Anh 9):ế Write full answers to the questions.
a. If I don’t see you tomorrow, I call you up.
b. If the weather is good tomorrow, we will go swimming.
c. If he doesn’t win the competition, he will resign the Captain title.
d. If the streets are hill of trash, we will heap it and bum it down.
e. If we don’t lend them our tools, they will work with their hands.
f. If it rains, she will stay at home and watch TV.
10. (trang 62 sbt Ti ng Anh 9):ếRewrite the sentences. Put the verbs in the parentheses in to the
correct form: present simple or will/ won’t.
a. If we keep on using more and more motor vehicles, we will run out of oil.
b. If we run out of oil, we will need other kinds of energy.
c. If we use more oil and coal, pol ution will increase.ỉ
d. If pollution increases, more and more trees will die.
e. If more and more trees die, the climate will change.