____ is the population of China today?
A. How much B. How many C. What D. Which
The teacher thinks ____ chores ____ necessary for every student.
A. do; are B. doing; is C. does; are D. to do; is
There were many young children ____ in the factories in the past.
A. work B. working C. works D. to work
The police tried to protect the foreign officers ____ personal injury.
A. to B. at C. from D. in
Traveling by train is ____ exciting than a rushed trip by air.
A. much B. a little C. much more D. little
—Some of the animals ____ the pollution.
—Right. The government will find ways to solve the problem.
A. die to B. die in C. die of D. die from
