3.If Mai's father put her in hospital earlier, her state of heath____serious.

A.doesn't become    B.won't become   C.can't become   D.wouldn't become 

4.Sony is famous____its electronic appilances.

A.for    B.about   C.in   D.of

5.She is now___her bag because dhe can't remember where she put it.

A.looking after   B.looking for   C.putting away   D.going on

6._____he didn't know how tp solve the problem, he asked her for help.

A.So    B.Because    C.Although   D.Howerver

7.I'd like to visit Ha Long Bay____I can enjoy spectacular landscapes.

A.where     B.who      C.that    D.when

10."I think we should collect plastic bags to reduce garbage"."_____"

A.I'm sorry.        B.I'd prefer you didn't   C.That's a good idea.   D.Thanks a lot

\(=\dfrac{x+2}{x+5}+\dfrac{-5x-1}{x^2+x+5x+5}-\dfrac{1}{x+1}\\ =\dfrac{x+2}{x+5}+\dfrac{-5x-1}{\left(x^2+x\right)+\left(5x+5\right)}-\dfrac{1}{x+1}\\ =\dfrac{\left(x+2\right)\left(x+1\right)}{\left(x+1\right)\left(x+5\right)}+\dfrac{-5x-1}{x\left(x+1\right)+5\left(x+1\right)}-\dfrac{x+5}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{\left(x+2\right)\left(x+1\right)}{\left(x+1\right)\left(x+5\right)}+\dfrac{-5x-1}{\left(x+1\right)\left(x+5\right)}-\dfrac{x+5}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{x^2+2x+x+2-5x-1-x-5}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{x^2-3x-4}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{x^2+x-4x-4}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{\left(x^2+x\right)-\left(4x+4\right)}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{x\left(x+1\right)-4\left(x+1\right)}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{\left(x+1\right)\left(x-4\right)}{\left(x+1\right)\left(x+5\right)}\\ =\dfrac{x-4}{x+5}\)

1. This film is _______ than the one we saw last week .

A. as good                               B. gooder                    C. more good       D. better

2. She is ______ a singer nor an actress.

A. nor                                      B. both                        C. neither             D. either

3. "Let's go dancing _______?"    - "Yes, let's"

A. will we                               B. don‘t we                 C. do we                  D. shall we

4. It's very kind _________you to say so!

A. in                                        B. to                            C. for                    D. of

5. We feel very_______ today.

A. happy  B. happiness  C. happily  D. happen 6. Where are the photos_______ were taken at the Christmas party?

A. which                                 B. who                         C. whom              D. whose

 7. We want_______ my English.

A. to improve B. improving C. improved  D. improve 8. He grows_______ fruit trees.

A. a                                         B. a few                       C. a little              D. little

9. Does he like soccer? ______________

A. No, he doesn‘t                    B. No, he does            C. No, he like not      D. No, he not like

10.The United States has a _________ of around 250 million.

A. population                          B. people                     C. countries              D. cities

1C 2A 3A 4B 5A 7B 8D 9A

1D 2B 3A 4D 5A 6B 7C 8C 9C 10D 11A 12C 13D 14B 

1. I wish Vietnamese people celebrated mother's day and father's day

2. The english teacher told Nam that he had to work harder on his pronunciation

3. Because wearing modern clothing at work is convenience, Vietnamese women today often prefer it

1B 2C 3D 4B 5D 6A 7A 8B 9B 10A 11B 12B 13B 14A 15A 16A 17D 

1D 2D 3B

1A 2C 3D 4B 5C 6A 7C 8B 9C 10C 11B 12A 13D 14D 

1. entertainment

2. illness

3. healthy

4. caculating