We thought of throwing away these old things, but we’ve decided to _______ them. They might bring us a lot of money.

In this university a medal with ten thousand dollars ____ gains success in science and technology every two years. [ ]

the books on the desk, ________ is of any use forour safety

My mother ____me to read for 30 minutes every morning.

Whose computer doesn’t work— ____ ，I think.