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4. Confucius's      (idea) are mainly found in Lunyu.

3. A lot of trees         _ (plant) every year here.

2. My homework is to do some      (review) on a great book.

1. Mark Twain was a famous      ( write) .

5. His thoughts have        (影響) us so much.

4. I     (猜想) Mark Twain isn't as well- known as Confucius or Shakespeare.

3. It's        (明智的) of us to get to the cinema earlier. It's crowded.

2. Confucius is a great       (思想家) .

1. Tom and Betty are     (討論) their favourite stars.

A: You are using the mobile phone again while you are crossing the street. Haven't you heard of the news?

B_: 1.         . What's it about? 

A: A girl died in the elevator just because she was playing her mobile phone then. 

B_: Really? So terrible! 

A: As we all know,mobile phones make it easier for us to communicate with others. But 2.        ，they bring us so many safety problems.

B_: 3.         . I won't do it like that again. 4.         should we pay attention to?

A: I don't think we should use them when we are driving either.

B_: 5.         while we are on the plane? 

A: No,we can't keep them on. Using mobile phones isn't allowed on the plane. 

B: Oh,I see. Thank you.