Everything comes with（ ）price; there is no such（ ）thing as free lunch in the world.

It is uncertain（ ）side effect the medicine will bring about, although about two thousand patients have taken it.

Many lifestyle patterns do such（ ）great harm to health that they actually speed up（ ）weakening of the human body.

The visitors here are greatly impressed by the fact that（ ）people from all walks of life are working hard for（ ）new Beijing.

George is going to talk about the geography of his country, but I'd rather he（ ）more on its culture.

​The newly built café, the walls of（ ）are painted light green, is really a peaceful place for us, specially after hard work.

If you plant watermelon seeds in the spring, you（ ）fresh watermelon in the fall.

—I haven't got the reference book yet, but I'll have a test on the subject next month.
—Don't worry. You（ ）have it by Friday.

—Is everyone here?
—Not yet. Look, there（ ）the rest of our guests!

—Why, Jack, you look so tired!
—Well, I（ ）the house and I must finish the work tomorrow.

—I prefer shutting myself in and listening to music all day on Sundays.
—That's（ ）I don't agree. You should have a more active life.

—Peter, where did you guys go for the summer vacation?
—We（ ）busy with our work for months, so we went to the beach to relax ourselves.

Whenever I met her, （ ）was fairly often, she greeted me with a sweet smile.

The number of foreign students attending Chinese universities（ ）rising steadily since 2010.

So sudden（ ）that the enemy had no time to escape.

He was busy writing a story, only（ ）once in a while to smoke a cigarette.

We are invited to a party（ ）in our club next Friday.

Not a single word （ ） at the beginning.

Hardly （ ） when the bus suddenly pulled away.

It is the most instructive lecture that I（ ）since I came to this school.