Ingles 3: unit 2 lesson 12

Exercise 7 complete the sentences with an appropriate form of the words in the box

a the population of the world is growing. will we be.

b one reason gm crops are science is that we do not k now .

c the engineer want to recreate the woolly mammoth.

d is it controversial to clone a human ?.

e genetic ethics is a new discipline

Exercise 8complete these sentences with the verbs in parentheses in the correct tenses

a did he sometimes used (use) the internet

b when the scientist cloned the first animal?

c the woolly mammoth not existed (not exit) for thousands of years

d do we will be able to(be able to) stop people from getting old in the future ?

e the scientists did (do) enough research about the effects of GM crops ?

Ingles 3