As you ______ new words in context, it is a very good method for you to guess their meanings.

They had a wonderful holiday, ____________bad weather.

The doctor told her that her badly­ injured husband had a 50­-50 chance of ________.

Doctors are doing research to find out what happens physically when people _________ smoking.

To get a better grade, you should ______ the notes again before the test.

Sometimes proper answers are not far to seek ______ food safety problems.

We began to open to the outside world in the late 1970s.    ,there have been great changes in the country.

Every time ______ I go to school, I am usually riding my bike, _____ I take a bus.

_____ 20 girls Class 10 ______ another 30 boys.

The Group of Eight (G8) ______ the eight richest countries in the world.