The Yellow River is _________river in China.
| A．the longest | B．the longer |
| C．the second longer | D．the second longest |
--- 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 |
— Would you lik e to take a trip to Hawaii this summer vacation?
— No, I ___________ there several times.
| A．went | B．go |
| C．have gone | D．have been |