If you talk about it with me,please wait till I finish my work at hand.
| A．can | B．may | C．must | D．should |
The report indicates that the new power station produces energy as the one built earlier.
| A．twice as much | B．as twice | C．twice much as | D．twice much |
So far there is no proof people from other planets do exist.
| A．how | B．what | C．which | D．that |
_____ scores of times , but he still couldn’t understand it ．
| A．Having explained | B．Having been explained |
| C．Though it was explained | D．It was explained |
________ their son away to college, the old couple got more room in the house．
| A．As | B．For | C．Through | D．With |
_______ that Marie was able to set up new branches elsewhere．
| A．So successful her business was | B．So successful was her business 20090908 |
C．Such successful business she had | D．So successful business had she |