Though our city has a good public transport system, _______ private car is becoming _________ popular means of transport.
.Bicycles made in China are cheaper than ________ made in Japan, but almost as good in quality.
While working in the countryside , the students ________ a great deal of knowledge on plant life.
By the time she ________ tomorrow, the work ________.
Some people waste a lot of food ________ others haven’t enough to eat.
. School children must be taught how to deal with dangerous ________.