For many years, people _____ electric cars. However, making them has been more difficult than predicted. (2010.浙江)
| A．had dreamed of |
| B．have dreamed of |
| C．dreamed of |
| D．dream of |
Most of the wood ___ to make furniture.
| A．is used | B．are used | C．is use | D．are using |
My trousers are too old. I’ll have to buy ___.
| A．a new pair | B．a new one | C．a pair of | D．some new pair |
40. — I’m afraid I failed in the contest.
— _______. At least you tried.
| A．No way | B．Never mind |
| C．No problem | D．I don’t believe it |
39. _______ is certain, people’s living conditions in China have improved a lot since the 1980s.
| A．It | B．As | C．what | D．Which |
38. Li Ming, as well as some of his classmates, ______voluntary work now.
| A．are doing | B．is doing | C．do | D．have done |