I _____ go swimming, but now I like playing soccer better.
A. used to
B. get used to
C. was used for
Scientists can make the robots __________.
| A．to dance | B．dance | C．dancing | D．danced |
There will _________ robots in people’s homes.
| A．be | B．are | C．have | D．has |
The boy is _______ to look after himself .
| A．enough old | B．enough young | C．old enough | D．young enough |
—Will people live to be 300 years old?— ______________.
| A．No, they aren’t | B．No, they won’t |
| C．No, they don’t | D．No, they can’t |
There are about seven ____ students in Grade Eight in Chezhan Middle School.
| A．hundreds | B．hundreds of |
| C．hundred | D．hundred of |