We won’t start the meeting ________ the teacher arrives.
A. though B. until C. while D. and
The workers are trying to ________ what’s wrong with the machine.
A. look for B. care for C. find out D. take out
Internet is ________ used by people, especially by young people.
A. deeply B. widely C. hardly D. highly
It’s so fine. Why not ________ outdoors?
A. play B. plays C. playing D. to play
The plane from Beijing to Hong Kong ________ half an hour ago.
A. put off B. got off C. took off D. turned off
— Look at the postcard. It’s from my pen pal in New York.
— Hmm…It ________ so beautiful.
A. smells B. sounds C. feels D. looks
