Афанасьева, Михеева, Баранова, 7. Учебник. Unit 5. Step 6

1) not stated;
2) false;
3) not stated;
4) true;
5) not stated;
6) true.

1b, 2g, 3e, 4f, 5a, 6g, 7c, 8h.

1) has just struck;
2) have been building;
3) have you been wearing;
4) have known;
5) has been buying;
6) has spent;
7) has not told;
8) have owned.

B.
(sample):
1) The first thing you should do …
2) The next thing you do …
3) Remember …
4) Don’t forget …
5) Be careful not to …
6) Another thing to remember.

1) endangered;
2) habitat;
3) responsible;
4) damage/destroy;
5) extinct;
6) save;
7) among;
8) member;
9) recycle;
10) laws.

1) build;
2) environment;
3) habitat;
4) waste;
5) law.

1) habitat;
2) responsible;
3) law;
4) among;
5) extinct;
6) endangered;
7) damage;
8) member;
9) recycle;
10) save.