(选词填空，补全对话)

saw, when, an, were, into, did, were, what, do, UFO

A: 1 happened yesterday?

B: A UFO landed on Center Street.

A: What 2 you doing when the UFO landed?

B: I was playing in Center Street 3 it landed.

A: 4 you see the UFO?

B: Yes, I did.

A: Did you see 5 alien?

B: Yes. I 6 an alien coming out of the 7 .

A: 8 you scared?

B: Not really.

A: What did the alien 9 ?

B: He walked down the street and then went 10 a store.

（改错） Can(A) you see(B) a cat on(C) the treendline(D) ?

（改错）An alien left Mr. White (A)shop and(B) went(C) to(D) the museum.

（改错）It was ndline(A) raining(B) whenndline(C) the plane landing(D) in London.

（改错）A (A)UFO landed ndline(B) while(C) the boy was sleep ndline(D) last night.

（改错）I am(A) so tired(B) this morning. It was difficult to get (C)out of ndline(D) bed.

(将单词组成句子)reading, last, he, at, 10∶00am, Sunday, book, a, was, .

(将单词组成句子)seven, at, what, doing, o’clock, you, were, ?

(将单词组成句子)experience, had, an, yesterday, I, unusual, .

(将单词组成句子)the, take, when, UFO, did, off,?