I’m writing to invite you to a party we..................... (1) at the flat next Friday, December 14th. As you know, .....................(2) Lan’s 13th birthday next week and my birthday is in next month, .................... (3)   we thought we’d celebrate together and have a joint party.

I can’t remember if you know my address or not, but anyway, if you   .......................... (4) the direction below, you shouldn’t get lost. Take the Number 15 bus from the station and ...................... (5) at the Star Hotel. Walk down Long Viet Road, past the Dan Chu Cinema, and then  .............……(6) the first turning on the right. That’s Le Loi  Road. Turn left .....................  (7) the first junction, then go straight past the church as far as the next crossroads. ......................(8) and our block of flats is the second on the right. 

Do try and come. Of course you’re ...... (9) to bring someone with you if you want to.

Look forward .............................. (10) you then!

6.      The police stopped the traffic every few minutes. The pedestrians might cross the road.  ..........................................................................

7.      The notices are written in several languages. Everyone may understand them.  ...........................................................................................

8.      I wish to have enough money. I want to buy a new house.  ..........................................................................................

9.      Dick is practising the guitar. He can play for the dance.  ...............................................................

10.  She needs a job. She wants to support her old parents.  ............................................................................................................... 11.  He moved the front row. He could hear the speaker better.  ................................................................................

 EX1 : Use a phrase or clause of purpose to combine each pair of sentences below.

1.      My father drove carefully. He didn’t want to cause accidents.  ..............................................................................

2.      Sue dutifully followed her parent’s advice. She didn’t want to cause trouble for her parents.  ..............................................................

3.      Mr Thompson is learning Vietnamese. He wishes to read the Tale of Kieu.  ............................................................................

4.      Please shut the door. I don’t want the dog to go out of the house.  ..................................................................................

5.      The farmer built a high wall around his garden. The fruits wouldn’t be stolen.  ........................................................................

giúp mik vs

B1: Cho tam giác ABC có AB bằng 10cm, AC bằng 8cm, BC = 6cm đường cao CK 

a) Chứng minh tam giác ABC vuông tại C 

b tính CK, KA, KB