My brother wants to become a landscape gardener.
Lily was reading in the library when the explosion happened.
When did you feel relieved?
What was your mother doing when the two cars crashed?
What time does the flight to Bangkok leave?
What will people face if there's too much pollution?
I suggest that we travel to Ha Long City next summer.
Unless we stop illegal pet trade, many animals will be endangered.
My parents hate living in the city because there's too much traffic.
If you use your car too much, you'll make the air more polluted.