Lanzhou is the only capital city that the Yellow River, the second ________ river in China, passes through.
A. long B. longest C. longer D. length
____ 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
