When winter comes, nights get ________. A. warmer and warmer B. shorter and shorter C. longer and longer
Hurry up! The train _____ in two minutes.
I think it will be difficult ___ a robot ____ the same things as a person.
He is very happy , because he _____ in a big apartment next year.
—How many birds can you see in the trees?—I can see _________ birds in them.
A dog robot could help ____ the room.