Twenty students want to attend the class that aims to teach ___ to read fast,
Some countries are increasing their use of natural gas, and other forms of ______.
Liping has never gone to Japan, but he speaks Japanese____ he were Japanese.
They have decided to ____ the household expenses to devote money to the disaster area.
Don't try to cheat in the exam — you will never ____ it.
Regular exercise________our health;that is to say,our health can________it.