Nowadays it’s very useful ______ a foreign language.

The best man will ________ and toastthe bride and groom at the banquet.

It is believed that _____ European scientist invented _______.

Is your home close to the school, John—No, it’s a long way, but I am ________ late for school because I get up early every day.

No one can ignore the fact that his wife is independent _______ her husband earns all or most of the family income.[ ]