--- How do you improve your listening skill?
--- I often do it ________ tapes and English radios.
| A．by hearing | B．by listening to |
| C．in listening to | D．for listening to |
--- Are you afraid of the dark?
--- Yes, I always go to sleep _________ the light on.
| A．in | B．with |
| C．to | D．and |
— What a new computer！ Can you tell me _________？
— Just the day before yesterday.
| A．how much you paid for it | B．how much did you pay for it |
| C．when you bought it | D．when did you buy it |
— Would you mind my sitting here?
— ________________. It’s for my friend.
| A．Of course not | B．Yes, please |
| C．You’d better not | D．Not at all |
–Do the Smiths live next to you? --No, but they____.
| A．used to | B．used to do it |
| C．used to be | D．used |