Question

the students of class 9B have cleaned all the windows 

- all the windows.............................................................

the weather wasn't fine yesterday , but they still went to the beach 

- although...........................................................................

i know some people . they live in london

- i know....................................................

we last saw that film two years ago

- we haven't........................................

''are you having a wonderful time here , lan ?'' ba asked

- ba asked............................................

Answer 1

the students of class 9B have cleaned all the windows 

- all the windows have been cleaned by the students of class 9B.

the weather wasn't fine yesterday , but they still went to the beach 

- although the weather wasn't fine yesterday, they still went to the beach.

i know some people . they live in london

- i know some people who live in London.

we last saw that film two years ago

- we haven't seen that film for two years.

''are you having a wonderful time here , lan ?'' ba asked

- ba asked if Lan was having a wonderful time there.

Answer 2

the students of class 9B have cleaned all the windows 

- all the windows  have been cleaned by the students of class 9B

the weather wasn't fine yesterday , but they still went to the beach 

- although the weather wasn't fine yesterday, they still went to the beach 

i know some people . they live in london

- i know some people who live in london

we last saw that film two years ago

- we haven't seen that film for two years

''are you having a wonderful time here , lan ?'' ba asked

- ba asked lan if she was having a wonderful time there.