Suggested answers:

　　1) You will come here in time.

　　2) My car is different from yours.

　　3) He is always the first to come and the last to go.

　　4) It is not clear whether he comes or not.

　　5) Our success depends on whether everyone works hard or not.

　　6) We must take actions to prevent this disease (from) spreading.

　　→Step 2 Preparation

　　Show some sentences on the screen. Ask students to read each of them and then find out its subject.

　　A tree has fallen across the road.

　　You are a student.

　　To find your way can be a problem.

　　Smoking is bad for you.

　　“How do you do? ” is a greeting.

　　What she said is not yet known.

　　That we shall be late is certain.

　　It’s certain that we shall be late.

　　→Step 3 Grammar learning

　　1. Reading and discovering

　　Ask students to turn back to Page 25 to read through the reading passage and find all the sentences where noun clauses are used as the subject and underline them. Then translate them into Chinese.

　　Suggested answers:

　　1) What it was to become was uncertain until between 4. 5 and 3. 8 billion years ago when the dust settled into a solid globe.

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