______ it's a public holiday today，some firefighters in our city are still on duty．（ ）
A．AlthoughB．OnceC．If
As China grows stronger and stronger，Chinese _____ in more and more schools out of our country．
That's true．As a Chinese，I feel very proud．（ ）
A．teachesB．has taughtC．is taughtD．was taught
Could you show me the method of cooking the tasty cookies？
Please follow the ______ on the cookbook．（ ）
A．directionB．attention
C．introductionD．instruction
Why did he get up so early to work？
In order to ______ the heavy traffic in the city．（ ）
A．avoidB．stopC．cancelD．solve
Who looked after your sick grandmother in hospital？
My father did that ______．He didn't want anybody else's help．（ ）
A．in factB．in person
C．in totalD．in disagreement
The population of China is larger than ______ of India．
Yes，but India's population is increasing rapidly．（ ）
A．itB．oneC．thatD．this