cho tam giác ABC nhọn nội tiếp đường tròn O. Vẽ 2 đường cao BE và CF cắt nhau tại H. 

a. Chúng minh tứ giác AEHF nội tiếp

b. chứng minh BCEF nội tiếp

1.    The examination was_____ . All the students passed.

A. surprising easy                                         B. surprisingly easy

C. surprising easily                                       D. surprisingly easily

2.     Tom sounded ________ when I spoke to him on the phone.

A. angry                 B.  angrily                      C. to be angry             D. to be angrily

3.     Jane is ________   because her job is        .

A. bored - bored                                          B. boring - boring

C. boring - bored                                         D. bored – boring

4.         Her illness was ________           than we had thought first.

A. much serious     B.  more serious            C. serious                    D. most serious

5.    The garden looks_____ since you tidied it up.

A. better                 B.  well                          C. more good              D. more well

6.    Petrol is twice_____ it was a few years ago.

A. more expensive than                                B. much expensive as

C. as expensive as                                         D. as expensive than

7.      That house over there is_____ building in the city.

A. the eldest          B. the oldest                   C. the elder                 D. the older

8.     Thank you for the money. It was ________         of you.

A. more generous                                          B. the more generous

C. most generous                                          D. the most generous

9.      We were lucky to have one of ________ rooms in the hotel.

A. a nice                B. a nicer                        C. the nicer                 D. the nicest

10.  Your English is improving. It is getting_____ .

A. well and better                                         B. good and well

C. better and better                                      D. good and better

Thánh Gióng

Tự sự

lúc 6h sáng một xe máy khởi hành từ a với vận tốc 30km h. Sau đó lúc 7h sáng cùng ngày một ôt cũng khởi hành đuổi theo xe máy với vận tốc 45km h. Hỏi ôt đuổi kịp xe máy cách a bao nhiêu km

6. Combine each of the following pairs of sentences into one sentence using too/enough with infinitive.Melekler Mekanı - too/enough/so . . . as with infinitive Exercises

I was terrified. I couldn't move

Would you be very good and forward my letters while I am away?

It's not very dark. We can't see the stars clearly

The oranges were very bitter. We couldn't eat them. (Omit them.)

Would you be very kind and turn down the radio a little?

It is very cold. We can't go out.

He is strong. He can carry it.

12. The boy is intelligent.He can understand you. (Enough)

==> The boy is
13. Mai is good. She can pass the examination. (Enough)

==> Mai is

14. The story is short. We can read it in one hour. (Enough)

==>The story is

15. The film was very good. We saw it through. (Enough)

==> The film was

16. The play was very amusing. They enjoyed it. (Enough)

==> The play was

17) The children were very late.They couldn’t see the display of fireworks.  (Too)

==> It was

18)Your brother is very young.He can’t go swimming. (Too)

==> He is

19) The sound is very low.We can’t hear it. (Too)

==> The sound was

20) This book is very difficult.I can’t read it. (Too)

==> This book is

She is old. She can work by herself(Enough)

\(\Rightarrow\) She is......