wasn't

weren't

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was

told

didn't have

didn't know

bought

chị na mi cj đang online àh

1.  If we pollute the air, we will have breathing problems.

2. Mi thinks they can use the club fund to buy light bulbs for classes

3. Vietnamese students play different sports and games during the break time.

4. Did your team win the match last Sunday?

5. Huong has never travelled by airplane.