— ______ it snow tomorrow, what would we do?— In that case, we’ll have to stay at home.
21st Century is ______ a newspaper; it helps us know a lot about the world.
Rather than_____ on a crowded bus , he always prefers______ a bicycle.
My plane at 8:30 am, so Ihome at 8:00 tomorrow morning.
The number of people present at the meeting ________ about 1000, a large number of whom ________ experts from abroad.
---Mike, please don’t forget to turn off the light when you leave. ---Pardon? ---I ________ forget to turn off the light.