These shoes look very good. I wonder __________.
| A．how much cost they are | B．how much do theycost | C．how much they cost | D．how much are they cost |
Please ______the money and I’m sure it will ______more than 1,000 yuan.
| A．add; add up | B．add up; add up | C．add up; add up to | D．add to; add up |
---The air would certainly be cleaner if there were fewer cars running in the city.
---_______.
| A．How do you find it ? | B．How are you getting on ? |
| C．That’s a good point. | D．I managed somehow. |
_________, I always feel I want a few more days.
| A．However long is a vacation | B．However long a vacation is |
| C．However is a vacation long | D．However a vacation is long |
---How do you find my composition, Mr John?
---Good, ___too many spelling mistakes. You can’t imagine what great difficulty I had ___them.
| A．except, correct | B．except for, to correct |
| C．except, correcting | D．except for, correcting |
He is only too ready to help others, seldom, _____, refusing them when they turn to him.
| A．if not | B． if ever | C．if any | D．if so |