When first ________ to the market, the computer software . was not a success due to its complexity in operation.
In the group discussion, they thought up three different __________to solving the environmental problem.
The population of India has ______ quickly, because they don’t have a Family Planning policy like China.
As our country has realized the problem and taken some measures, the price of medicine has _______ and poor people can also afford good medicine.
Although there were so many people in the square , I could ___________my friend the moment he appeared .
When the farmers dug the well, they _____ a large collection of ancient china.