Who can think of a situation __________ this idiom can be used?
—Why are you so busy, Mike ? —I ______ a novel these days.
If you want to book tickets for a film in Qionghai, just call 62838009. It _______be simpler.
Rather than ________on a crowded bus, he always prefers _______a bicycle .
You can take any seat _______ is free.
It was a small room, _ _it offered a fine view of the old city.