IV.

1.What an awful weather! 

2.What a delicious meal!

3.What a clever boy!

4.What colorful pictures! (số nhiều nên bỏ "a/an" nha)

5.What an expensive dress!

6.What sour milk! ("milk" ko đếm dc)

V.

1.more expensive than

2.faster than

3.more modern than

4.hotter than 

5.more beautiful than

6.cheaper than

7.better than

8.more convenient than

9.worse than

10.more clever than

VI.

1.the longest

2.the most interesting

3.the biggest

4.the best

5.the most beautiful

6.the coldest

7.the fastest

8.the most important

9.the happiest

10.(ko nhìn dc từ trong ngoặc @-@)