He was walking along the sands ______ he saw a big footprint in the sand.
What he’d like __________a digital watch.What he’d like__________textbooks.
Not only he but also we __________right.He as well as we__________right.
What __________the population of China? One-third of the population__________workers here.
The number of teachers in our college __________greatly increased last term.A number of teachers in this school __________from the countryside.
Onethird of the area__________covered with green trees.About seventy percent of the trees __________been planted.