At no time were they aware that something was wrong

The water isn't warm enough for children to drink

1. C

2. A

3. D

4. B

B.but

C

1/ If had enough money, I would buy a car.

2/ Although the rain was heavy, I went to school on time.

3/ The teacher who taught us last year is Mrs.Green.

4/ Neil Armstrong who walked on the moon lived in the USA.

5/ The man whom you saw yesterday is my secretary.

6/ Do you understand the word which the teacher writes on the board?

7/ The boy whom I want to help is very poor.

8/ Do you want to have coffee or tea?

9/ We did the test although it was difficult.

10/ She did not come to the party although we had invited her yesterday.