_____ will people have robots in their houses?
In about 100 years.
A. How far B. How long C. How often D. How soon
It that everyone to laugh．
A. seems，loves B. seem，love C. seems，love D. seem，loves
If there are ______ trees, the air in our city will be _______ cleaner.
A. less, more B. more, more
C. more, much D. much, more
This coat doesn't fit him well， as he has_____ a huge body and the coat is ____ small.
A. so; such B. so; so C. such; such D. such; so
—How many birds can you see in the trees?
—I can see ________ birds.
A. hundreds of B. five hundreds C. hundred of D. five hundreds of
-Will people live to be 300 years old?
A. No， there aren't B. No， they won't
C. No， there won't D. No， they can't
