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
The project they’re working on ________ many teenage problems that they care about.
I find this book ________ for a six-year-old child to read.
--- ________ I know by what time you want the report to be done?--- By the day after tomorrow. ______ you finish it on time?
Oh, just imagine! ________ it is to go to the wonderful tourist attraction!
________ concerts are never quite the same on the small screen.