1. Complete the sentences with the correct verb forms.

Mark Twain, the author of the The Adventures of Tom Sawyer, is one of Americe's best loved storytellers. He _________ (1) (grow up) in a small town on the Mississippi River. As a young boy, he ________ (2) (greatly/admire) the pilots of the riverboats and dreamed about being a riverboat pilot on the mighty river. He pursued hs dream, and by the age of 22, he himself ________ (3) (be come) a riverboat pilot. Later in life, when he _____________ (4) (become) a writer, many of his stories ___________ (5) (Contain) elements of his own experiences. He _______ (6) (write) many humorous stories and articles about life on the MIssissippi River before he (work) on a new story for several months before his death, but he _______ (9) (never/finish) it. Over the years since his death, his boyhood home in Hannibal, Missouri, __________ (10) (become) a favorite place for Americans to visist to learn about Twain and life on the Mississippi at the turn of the 19 century.

1. Identify mistakes in the sentences below by circling A,B,C or D.

a) The (A) first edition of the book had already (B) come out by (C) the time they discover (D) the error.

b) The waiters at (A) the new restaurants haven't received (B) proper training in (C) food service before they came to work there (D).

c) When i had called (A) you up last night, I knew (B) you would be busy (C), but you didn't have to (D) be so rude.

d) I was (A) quite surprised when I walked into (B) my office yesterday because I didn't know (C) that my colleagues planned (D) a birthday celebration for me.

e) I waited (A) for her for (B) 2 hours when she arrived (C), so I got (D) very angry with her and told her not to be late again.

f) Because (A) the survey has produced (B) unexpected results, the (C) team decided to test (D) the questions again.

g) He asked (A) several investors to invest (B) in (C) his company before he finally found (D) somebody to agree.

h) The reassuring (A) finacial report made the stock holders much (B) happoer about their investments than (C) they will be (D)

i) Mrs. Barner drove (A) his car to (B) work when the accident happened (C) and damaged (D) her car.

k) The owner of the restaurant told (A) me that her new head chief, who received (B) his training at culinary schools in (C) Europe was (D) very good at cooking European dishes.

1. Rewrite the following sentences without changing their meanings

1. This is the most memorable trip I have ever taken.

I've .........................

2. I have never talked to any more interesting man than him

He is .......................

3. Have you got any cheaper computer than this one?

Is this......................

4. Mary doesn't study as well as she used to.

Mary ...............................

5. Last night, Peter came home earlier than Tom.

Last night, Tom ............................................

Exercise 1. Rewrite the sentences with wish or if only

1. He was punished by his mother

...............

2. They won't come here again

.................

3. I may not go on a camping trip

...............

4. I can't play basketball

.................

5. I would like to have a bigger house

..................

6. I would like them to keep quiet

...................

7. You have to clean the floor after meals

.....................

8. I'm sorry that I didn't do homework last night

.....................

9. It's a pity that you didn't tell me about that

....................

10. I regret staying up late last night.

.....................

1. Bạn Nam đi xe đạp từ nhà đến TP Hải Dương với vận tốc trung bình 15 km/h. Lúc về bạn đi với vận tốc 12 km/h nên thời gian đi ít hơn thời gian về 2 phút. Tính độ dài quãng đường từ nhà bạn Nam đến Hải Dương

1. Giải phương trình sau:

\(\frac{2x+1}{x-1}\)-\(\frac{1}{x-1}\).\(\frac{4}{x-1}\)

Exercise 6: rewrite the sentences keeping the same meaning, beginning as available

1. We were very busy at work today. We are not as busy as that everyday.

We ......................

2. Jane cooks better than her sister.

Jane's ..................

3. They understand more than we do.

We .........................

4. They understand more than we do

We .............................

5. It is much more difficult to speak English than to speak French.

To speak .......................

6. When I was younger, I used to go climbing more than I do now.

Now ......................

You should go home and take a rest . the boss said ( advist)

1. Cho hai biểu thứ A=\(\frac{\sqrt{x}+3}{\sqrt{x}-1}\) và A = (\(\frac{x-2}{x+2\sqrt{x}}+\frac{1}{\sqrt{x}+2}\)).\(\frac{\sqrt{x}+1}{\sqrt{x}-1}\) với x >3, x ≠ 1.

a) Tính giá trị của biểu thức A khi x = 49

b) Rút gọn biểu thức V

c) Tìm x để \(\frac{B}{A}< \frac{3}{4}\)

2. Cho hai biểu thức A = \(\frac{\sqrt{x}}{1+3\sqrt{x}}\)và B=\(\frac{x+3}{x-9}+\frac{2}{\sqrt{x}+3}-\frac{1}{3-\sqrt{x}}\), với x>0, x ≠9

a) Tính giá trị biểu thức A khi x = \(\frac{4}{9}\)

b) Rút gọn biểu thức B

c) Cho P=B:A. Tìm x để P<3

1. Thực hiện các phép tính sau:

a. \(\sqrt{\left(2\sqrt{2}-3\right)^2}+\sqrt{11+6\sqrt{2}}\)

b. \(\sqrt{29-12\sqrt{5}}-\sqrt{29+12\sqrt{5}}\)

c. \(\sqrt{8-2\sqrt{7}}-\sqrt{8+2\sqrt{7}}\)