Professor Johnson is said _____ some significant advance in his research in the past year.
| A．having made | B．making | C．to have made | D．to make |
The population of many Alaskan cities has ______ doubled in the past three years.
| A．as great as | B．as many as | C． more than | D．larger than |
---In the past ten years, there have been many changes in family life.
--- Are these changes ______?
| A．better or worse | B．for the good or for the bad |
| C．for best or for worse | D．for the better or for the worse |
His sister had become a teacher , ______ was what he wanted to be.
| A．who | B．whose | C．that | D．which |
They ______ on the program for almost one week before I joined them, but still no good results _______ so far.
| A．had worked ; come out | B．have worked ; came out |
| C．had been working ; have come out | D．have been working ; have come out |
My money __. I must go to the bank to draw some of my savings out before I’ve __ in hand.
| A．has run out ; none | B．is running out ; none |
| C．has been run out ; nothing | D．is being run out ; nothing |