Most teenagers play games on their smart-phones（智能手机）_______fun.
| A．at | B．with | C．in | D．For |
Sunglasses are used ________ protecting your eyes in sunny days．
| A．to | B．for | C．by | D．as |
_______ he is in poor health, ______ he is still busy working all day and all night．
A．Although; but
B．Although; /
C．Although; and
These apples in this store look_____ but sell_____．
A．beautiful; well
B．ugly; well
C．well; badly
They lost the match and they were ______by us．
A．won
B．hit
C．beaten
It’s really foolish ________ what he says.
A．for him to trust
B．of him to trust
C．to him trusting