To make us healthier, the teachers often see us ______ on the playground.
A．took exercise B．take exercise
C．take exercising D．to take exercise
Try to be careful. The ________you read, the fewer mistakes you will make.
A．careful B．more careful C．carefully D．more carefully
－Loud music makes people ________to leave quickly.
－_________.
A．want, So does it B．to want, So it does
C．want, So it does D．to want, So does it
It will _______________. We should stay inside.
A．rain heavy B．be rainy C．rain hardly D．be rain hard
About two _________boys took part in the running race.
A．hundred B．hundreds C．hundreds of D．hundred of
－What trouble do you have when you learn English?
－ __________the grammar in a right way.
A．Use B．To use C．Using D．To using
