Do you like tea or coffee — coffee. I prefer coffee ______ milk.

Smoking, _______ is a bad habit, is, however, popular.

The book, ____ are true stories about great scientists of the 20th century, is well worth reading.

It’s 12:00 now. It’s time us have lunch.

What do you want to be in the future, Lucy—I want to be _____ pilot. It is _____exciting job.