1. The watch was bought at the shop

2. The house was built  in 1950

3. The exercises was done last week

4. The letters the day were sent by the pupils yesterday

5. The lesson was learnt 2 weeks ago

6. Kieu story was written by Nguyen Du

7. The cake was made last night

8. The dishes were washed by Daisy last night

1 this computer .....has been used ......... (use) for two years

2America ( discover ) ...........is discovered......... by Christopher Columbus

3 i think this institution ......has been widened....(widen) twice since 1999

4Sydney Opera House in Austalia ( finish ) .........was finished............ in 1973

5 my sister is studying law at Vietnam national university, HCM city now. This university.......situates...(sittuate) in Thu Duc District

6The Great Wall in China ( build ) ..........was built............ many centuries ago

7 David and his father......visited.....(visit) the Temple of Literature last week

8The Golden Gate Bridge in San Francisco ( complete ) ..........was completed............... in 1937

9 the universityof cambridge..was formed...(form) in 1209. It is alwaysconsidered to be one of the most prestigious universities in the world

10 Burj Khalifa in Dubai, the highest building in the world, ( open ) ...........was opened.......... in 2010