1. Choose the best alternative. 1. What time home last night? A) did you get B) you get C) do you get D) did you got

2. Last weekend I some friends and we A) see / having B) saw / have C) seeing / had D) saw / had

a meal.

3.1 English food. It's wonderful! A) am loving B) loved C) love D) loves

4. Pierre is French. He from Toulouse. A) is coming B) came C) come D) comes

5. the computer at the moment? A) Docs Mr. Taylor use B) Is Mr. Taylor using

C) Did Mr. Taylor use D) Will Mr. Taylor use 6. Dave a student with her work now.

A) helped D) help C) is helping D) helping

7." It's very noisy" "Suzy to rock music."

A) listen B) listens C) listened D) is listening 8. Carol hard for her exam last week.

A) didn't study B) isn't studying C) don't study D) aren't study

9. Most of the students these days.

A) didn't smoke B) aren't smoking C) isn't smoking D) don't smoke

10. You look nice, Anne. a new dress? A) Do you wear B) Does she wear C) Are you wearing D) Did you wear

11. Many birds south every winter. A) fly B) flew C) are flying D) will fly

12. Usually Jim to work on Saturdays.

A) is going B) went C) go D) goes

13. Japan many high mountains.

A) have B) is having C) has D) are having 14. Cats very well in darkness.

A) are seeing B) see C) will D) sees

15. "What ?"

"I'm studying computer science."

A) are you studying B) were you studying C) was you studying D) is she studying

16." born?"

"I was born in London."

A) When did you B) Where were you C) Where are you D) Where do you

17. "Are ?"

"No, I'm single."

A) he marries B) you married C) you marry D) she married

18." a job ?"

"No, I don't. I'm a student."

A) Did you have B) Do you have C) Have you had D) Are you having

19. We send through the internet.

A) a letter B) a fax C) mail D) an e-mail

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Den4ikPlz

4,5(77 оценок)

а*корень из 3=22 а=22/(корень из 3) s=6*a^2=6*22^2/3=968

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