Please don’t run _____ far.
The Australian boy has a good _____ of Chinese and can communicate with others freely.
Nowadays more and more people prefer ______ out to enjoy nature rather than stay indoors at the weekends.
______ the number of cars, only _____small number of people have attended the meeting.
The next thing he saw was smoke from behind the house.
We have been told that under no circumstances ___ the telephone in the office for personal affairs.