The two countries are going to meet to _______ some barriers to trade between them.

It is reported that most of the people who have AIDS or who are________ drugs used to be wealthy.

Ice-cream tastes _____, but it isn’t good _____ our health.

unemployment and crime are high, it can beassumed that the latter is due to the former.

Go to school __________. If not, our teachers will get very angry.