You can watch TV ______, but you can’t watch it ______ a long time.
| A．one, at | B．one, for | C．first, for | D．first, at |
--- _____ 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．/ |
—__________ feels sad sometimes.
—Yes, it’s normal to feel sad when something bad happens to us.
| A．Everyone | B．Nobody | C．None | D．All students |
—Tom read the passage and found
| A．carefully enough; something important |
| B．enough carefully; important something |
| C．enough carefully; something important |
| D．carefully enough; important something |
—He was afraid of ________ in public.
—But now he feels a little more confident.
| A．speak | B．spoke | C．to speak | D．Speaking |