Writing:
We had to stop working because of the heavy snow.
->Because
If you don't start working hard now , you won't be able to pass the final test.
->Unless
I'll be on vacation next week, so I won't attend the meeting.
->Since
The water bill was enormous because there was a crack in the water pipes.
->Because of
He is a fluent speaker of English.
->He speaks
She hasn't gone out with him for almost two years.
->They stopped
Nam won't be successful unless he works hard.
->If
Loga
Sinh Học lớp 12
