Students should be encouraged to use ________ Internet as ________ resource.
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.
As I remember someone saying, a red sky in the evening often _____ fine weather the next day.