1.     My dad is (funny)               dad in the world.

2.     Whales are (heavy)            animals in the world.

3.     Mice are (cute)                           animal in the world.

4.     My bedroom is (comfortable)                     room in my house.

5.     I am cook (bad)                          in the world.

6.     For English people, Japanese is (difficult)                 language to learn.

7.     That was (sad)                           film I’ve ever seen.

8.     My sister is (tidy)                          person I know.

9.     My grandmother is (old)                       person in my family.

10.               That was (strange)                   book I’ve ever read.

11.               (far)                         I’ve ever travelled is from London to San Francisco.

12.               What’s (dangerous)                  animal in your country?

13.               Spain is (sunny)                    country in Europe.

14.               What’s (hot)                     place you’ve ever visited?

15.               What’s (late)                     you’ve ever stayed up at night?

16.               It’s a very nice house. It’s (nice)              house in the street.

17.               This is a cheap restaurant. It’s (cheap)           I’ve ever been.

18.               She’s a very good tennis player. Her trainer says she is (good)      .

19.                                                                                                                                                                                                                                                             He’s a very dangerous criminal. The police says he is (dangerous)                  in the country.

20.               We should buy him a beautiful present. Last year we gave him (beautiful)       

gift of all in his birthday.

1. Cho tam giác ABC vuông tại A, hai đường cao AI và BD cắt nhau tại H.

a) CMR: t/giác AIC đồng dạng t/giác BDC.

b) Gọi E là giao điểm của CH và AB. CMR: BE.BA + CH.CE = BC²

c) Gọi F là giao điểm của DE và AH. CMR: 1/AF +1/AI = 2/AH