Расставить коэффициенты методом электронного баланса MgBr2+Cl2, Fe+Cl2=FeCl3

4. Choose the sentence with the meaning below. Paul drove too fast. Now he’s in trouble with the police.

a) If Paul hadn’t drive too fast, he wouldn’t have been in trouble with the police. b) If Paul didn’t drive too fast, he wouldn’t be in trouble with the police. c) If Paul hadn’t driven too fast, he wouldn’t be in trouble with the police.

5. If you _________ the photocopier off and off again, it sometimes works.

a) will turn b) turn c) turned

6. If ____ late, can you turn everything off before you go?

a) you’ll work b) you’ve worked c) you’re working

7. I don’t have a degree, so I didn’t get the job.

a) If I’d had a degree, I would get that job. b) If I have a degree, I would have got that job. c) If I had a degree, I would have got that job.

8. You didn’t fix the roof. Now it’s leaking.

a) If you’d fixed the roof, it wouldn’t have been leaking. b) If you fixed the roof, it wouldn’t have leaked c) If you’d fixed the roof, it wouldn’t be leaking

9. You can't find your purse. You think someone has taken it. What do you say? If someone ____ my purse, I’ll be furious!

a) takes b) took c) has taken

10. Which word CANNOT go in the space?

If you order the book today, it ___ arrive tomorrow.

a) may b) should c) would

Почуму соль в средние века считалась особым товаром?