It’s impossible for all the people to get jobs because _______of them are not fit for them.

Try hard to make what the teachers teach ___, and you’ll make rapid progress in your studies.

He has three pencils.____ is red, ___is blue, and ____ is green.

 I prefer to work here because salaries are higher here than ______in my country.

I am afraid there’s ____________with the computer. Can you come and have a look?