The first use of atomic weapons was in 1945.And their power _______ increased enormously ever since.
| A．is | B．was |
| C．has been | D．had been |
He________you more help, even though he was very busy.
| A．might have given |
| B．might give |
| C．may have given |
| D．may give |
We advertised for pupils last autumn, and got________60.
| A．more than |
| B．more of |
| C．as much as |
| D．so many as |
—Which team is________to win the game?
—I don't konw, but I've found________for ours to win.
| A．probable; it unlikely |
| B．likely; it possible |
| C．possible; it possible |
| D．likely; it possibly |
He took a taxi to the station________there.
| A．not walked |
| B．instead by walking |
| C．instead of walking |
| D．instead to walk |
Immediate action must be________before it is too late.
| A．done |
| B．taken |
| C．used |
| D．accepted |