5. in the tree　 on the tree

(1) There are some apples ________.　 (2) There are a few birds _________.

4. take off　 land　 take down　 put on

(1) I _______ my clothes after getting up.

(2) The plane _______ when people came in.

(3) A UFO ________ on the playground, many children ran to see it.

(4) Please ______ your coat, it is very hot outside.

(5) The picture is too old, please ______ it ______.

3. get out of　 get into　 get on　 get off

(1) After he ________ the taxi, he _______ a car to the school.

(2) We ________ the bus and _________ another one to train station.

(3) When I _____ the shop, I saw an old woman _____ the restaurant.

2. when　 while　 as

(1) ______ I was walking on the street, I met my old friend.

(2) She was singing ______ she was walking.

(3) I was walking on the street _____ I met my old friend.

(4) They were reading English ______ I stayed at home.

(5) They were talking ______ I arrived.

1. in front of　　 in the front of

(1) My sister is sitting _______ the classroom to see the sun.

(2) My sister is sitting _______ the classroom to read English with her classmates.

①　　 They were talking 　　　　the phone .

②　　 I was 　　　the barber’s chair .

③　　 The boy was walking　 　　　the street when a UFO landed .

④　　 I had a very unusual experience 　　　Sunday .

⑤　　 The alien visited the Museum 　　　　Flight

3. 当那个女孩正在买东西的时候，外星人出来了。

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2. 那时，我正站在图书馆前面。

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1. 当我在厨房做饭的时候，我听见有人敲门。

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