With Chang’e II launched successfully, China is      to send up a manned spaceship to the moon within five or six years.

Are you still hoping and waiting for someone somewhere to come to your rescue, wave a magic stick and immediately change your life for _________?

Coffee is said to have_____ effects.

 — Dad, would you please buy some strawberries for me? I love them. — I’d like to, but they are not _____ in winter.

In aerospace devices the weight of the necessary power producing equipment is _____.