Đề giữa kỳ số 2

The firemen arrived just in time to ______________ the child stuck in the fire.

Robots can search for people after earthquakes ______________ than humans can.

Without modern science and ______________, humans cannot travel to the moon.

Jane's mom: Robots can recognize people's voice and do what they say. Jane: ______________

If we check our tests ______________ carefully, we can get higher scores.

My mom cleans the floor ______________ than a vacuum cleaner.

Cleaning is a simple job, and robots don't get ______________.

My father prefers this robot because its battery can ______________.

That smartphone has long battery life. ______________, it costs much more than this one.

The greenhouse effect is the slow rise of the earth's ______________ because of the increase in carbon dioxide in the atmosphere.