CHECK-UP

I

1, dump

2, up with

3, because

4, pollution

5, contaminate – trọng âm rơi vào âm tiết thứ hai; hai từ còn lại có trọng âm rơi vào âm tiết thứ ba.

II

6, The water is polluted, so all the aquatic animals are dead.

7, If we throw garbage into the lake, the lake will not be clean.

8, will be

9, example -> examples

10, Sarah has a headache because she works in a noisy office.

CHECK-UP

I

1, B – surface

2, không có đáp án đúng (“business” có phần gạch chân phát âm là /i/; “hurried” có phần gạch chân phát âm là / ʌ/; hai từ còn lại có phần gạch chân phát âm là /juː/)

3, A – delicious

4, D – area

5, C – try

II

1, D – have you known

2, B – since

3, C – so

4, C – Since

5, A – lead to

6, D – consequently

7, C – because of

8, A – because of

9, D – due to

10, A – due to

III

1, One effect of global warming is that sea levels are rising, because the polar icecaps are melting.

2, There are much better levels of nutrition because of the increase in the global population.

3, More and more roads are being built; as a consequence, air pollution is rising.