In these old days,books could only be produced .
| A．by a hand | B．by hand |
| C．by hands | D．by two hands |
It’s ten o’clock. Betty _______ piano.
| A．is playing | B．plays | C．is playing the | D．plays the |
They are always ready _______ helping.
| A．for | B．of | C．to | D．in |
Mary isn’t ________ a book. She is ________ TV.
| A．seeing, seeing | B．watching, looking | C．reading, watching | D．looking at, watching |
Who are you talking _________?
| A．to | B．at | C．for | D．/ |
Mr. Black often _______ to the cinema on Saturday evenings .
| A．go | B．goes | C．is going | D．are going |