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16 tháng 4 2021

a) We have made great progress in industry, science and medicine

=> Great progress in industry, science and medicine has been made by us

b) You must hand in your report before the end of this month

Your report must be handed in before the end of this month

c) She fell into water because somebody pushed her

She fell into water because she was pushed

d) It is time they bring the cows in

It is time the cows are brought in

e) What questions did the examiner set?

What questions were set by the examiner

f) Somebody must do something for these poor men.

Something must be done for these poor men

g) Nobody has answered my question properly

My question hasn't been answered properly

16 tháng 4 2021

We have made great progress in industry, science and medicine

=> great progress has been made  in industry, science and medicine

b) You must hand in your report before the end of this month

your report must be handed before the end of this month

c) She fell into water because somebody pushed her

=> she was pushed, so she fell into water

d) It is time they bring the cows in

it is time the cows were brought in

e) What questions did the examiner set?

=>What questions were set by the examiner? 

f) Somebody must do something for these poor men.

=> something must be done for these poor men.

g) Nobody has answered my question properly

my question has not been answered properly