–English is becoming so important.–It’s true. Many university classes are taught in English _____ the native language is not English.
—You see,I’m poor in maths,you are not good at English,and... —That’s________we should help each other.
______I am concerned,the price of the computer is much too high,so I can’t afford it.
Teachers recommend parents_____their children under 12 to ride bicycles to school for safety.
The following are some popular websites________people can sell goods to each other.
______ by a snake, she was frightened of it.