Bài 4: (1,5 điểm). Cô Lan nhập 100 bộ quần áo với giá 200 000 đồng một bộ. Đợt 1, cô Lan bán được 80 cái áo với giá một bộ gấp 1,25 lần giá nhập vào. Đợt 2, cô bán 20 bộ quần áo còn lại với giá giảm 10% một bộ so với gia bán đợt 1.
a) Hồi ở đợt 1, cô Lan bán 1 bộ quần áo lời bao nhiêu tiền?
b) Hỏi khi bán hết 100 bộ quần áo , cô Lan thu về được bao nhiêu.
tiền?

It's + adj + to V
1. Having nothing to do at weekend is really boring.
- It's
2.Playing with sharp things is very dangerous.
- It's
3. Hanging out with close friends is really interesting.
- It's
4. Keeping medigioe in the locked cupboard is safe.
  - It
5. It's not easy to learn Japanese.
-Learning
6. It's very enjoyable to hang out with friends.
- Hanging

USED TO
1. Ba often stayed up late.
  - Ba used
2. Andy was once lazy.
  - Andy used
3. Mr Hung doesn't teach us anymore.
 - Mr Hung used
4. People no longer use oil lamps.
 - People used
5. My hair is much longer than that in the past.
-l used
6. Did they often go to the beach?
 - Did they use

Read the following passage and then choose the right word from the box to fill in the blank
                           (without - to - get - everyone - by - when - until - difficult)
Here are the directions for how to (1)____ to my house - print out this email and bring it with you. It's not (2)____ to find, as you're coming (3)____ train. Come out of the station and turn right.You'll see a bank at the corner. Carry on down the road (4)____ you come to a church called St Paul's. You can't miss it it's one of the biggest churches in Brighton and (5)_____ knows it. Just after the church turn left. Be careful - it's a very small street and people often go past (6)____ noticing it. You'll see my house at the end of the street.

II. Read the following passage and then choose the right wo
 ( subway - it - there - in - popular - also - has - with)
      New York city is one of the largest cities (1)___the world.It is (2)___one of the most densely populated,with an estimated 8 milion inhabitants.Manhattan is the most(3)___part of New York with tourists and(4)___many interesting sights.(5)___is also a large number of businesses in this area of the city,including the head offices of the world's leading companies!New York's(6)____system provides transport for more than a third of the city's workforce

Tìm x:
a)2.(x+5)-x²-5x=0
b)6x²-7x+2=0