_____ our income is, _____tax we should pay.

Tax,______ can be used in public services, is very important to our country.

We all pay______our mistakes in some way at some time.A．offB．forC．backD．up

It is our children and our childrens children who______pay for the mistakes we make today.

We should______our differences and discuss the things we have in common.A．put awayB．put as

It is on May 15 every year______income taxes are due, which all people who receive an inco

______ do you think _____ we should do to improve our English？A、／; whatB、what; thatC、wha