3 11.4.2] Read the text again. Mark the sentences (1-5) as T (true), F (false) or DS (doesn't say). 1 Gregor Mendel was the first person to study genetics.
2 He didn't choose to study the pea plant at random.
3 All of the first generation of pea plants showed a particular trait.
4 One of his conclusions was that the genes changed when they were passed on.
5 Mendel's paper, Experiments in Plant Hybridization was quite popular when first published.

run (−)

You mustn't run in the library.

eat and drink (−)

You mustn't eat and dring in the library.

ask the librarian questions (+)

You can ask the librarian questions in the library.

drop litter (−)

You mustn't drop litter in the library.

listen to loud music (−)

Yoy mustn't listen to loud music in the library.

speak quietly (+)

You can speak quietly in the library.

bring pets inside (−)

You mustn't bring pets inside the library.

talk on the mobile phone (−)

You mustn't talk on the mobile phone in the library.

use a computer (+)

You can use a computer in the library.

send text messages (+)

You can send text messages in the library.

1) If we had New Year party,would you come .

2) All the fans will be happy, if our team wins the next game .

3) If I were you, I would tell her everything about accident .

4) I'll be late, if you don't hurry.

5) What would you do, if you lost your job?

6) If you took more exercise, you would feel better .

7) If we are very busy,will we help him?

8) Would you buy this house, if you had enough money?

9) If you ask, she will tell you what to do .

10) Mary will lend you some money, if she goes to the bank.