He rushed into the room _____ the baby in the fire.
| A．to save | B．saving | C．and save | D．save |
--- Could you please turn on the radio ? I am used to sleeping with the radio ________.
--- Sure.
| A．over | B．about | C．in | D．on |
--- ________ it was very hot, he still played basketball on the playground.
--- He is crazy about basketball.
| A．If | B．Even though |
| C．Because | D．So |
--- _____ you _____ to ride a motorbike ?
--- Yes. But last month I sold it and bought a car.
| A．Did , use | B．Are , used |
| C．Do , use | D．Have , used |
Science is really _______ useful sucject although it is very difficult.
| A．an | B．a | C．the | D．/ |
–We can invite our teachers to the party next weekend.
-- Yes. __? I’ll call her at once.
| A．Why not | B．What for | C．why | D．How come |