--How many times has Chang’eⅠ ________ the Moon?--Only once.It went there last year.A.go to B.gone to C.been to
He doesn’t have any money, _______ do I.
Some scientists think that it may take _________years to make robots look like people, and do the same things as us. A. hundreds of B. two hundreds of C. two hundreds
--Will there be fewer trees? --_______________.
Kids won’t go to school. They will study ____home _____computers.
What ________happen if they have the party today?