The doctor warned us ______ the ______ of the germs(病菌) by cleaning our hands from time to time.A. controlling, spreadB. to control, spreadC. to control, development
Oh, it’s time _______ class.
– What colour is your _______? -- It’s white.
Miss Fang is _______ English teacher. _______ is a good teacher.
There are eleven _______ in the house.
–Is that building a library? -- _______.