【題目】________number of spaceships have been sent to________ space.

【題目】— I called you yesterday evening. But nobody answered.

【題目】—________weather it is today! We’d better stay at home.

【題目】I’m not sure________he will take part in the basketball match tomorrow. Let’s ask him now.

【題目】— What’s the meaning of “secretary”?

【題目】— Look! There are________people gathering in the square.

【題目】— I want to________some books for the kids in poor areas.

【題目】— How can I get more information about your activity?

【題目】— Tom, don’ be________. You should clean your bed every morning.

【題目】— Students shouldn’t go to school without breakfast. It’s bad for their health.