— butter do we need for a sandwich?
—Two teaspoons should be enough.
A. How many B. How much
C. How long D. How far
This kind of computers the popular.
A.are; more B. are; most
C. is; more D. is; most
There are teachers in that school.
A. two hundreds B. two hundreds of
C. two hundred D. hundred of
Some scientists believe that there more robots in the future.
A. will have B. will has
C. will be D. will do
One day I_________ to Australia.
A. went B. will go C. go D. goes
It will be difficult ________ a robot_________ the same things as a person,
A. of, to do B. for, to do
C. for, doing D. to, do
