He must have been working really hard these days. This morning, I even noticed ______ behind his ears.
| A．grey hair | B．grey hairs | C．the grey hair | D．much grey hair |
Just as Professor Scotti often _____it, success is ninety-nine percent mental attitude.
| A．gets | B．makes | C．puts | D．means |
Wait a moment, please. When I _________ writing the letter, I will go shopping with you.
| A．will have finished | B．have finished |
| C．will finish | D．finished |
The news inspired the whole world______ Israeli scientists have invented a kind of magic glasses_________ can let the blind see things.
| A．that; what | B．which; that | C．what; that | D．that; which |
I hope I will not be called on in class as I am not yet ________prepared.
| A．attentively | B．readily | C．actively | D．adequately |
— Why is the chemical plant closed?
— Because large quantities of waste water ______ into the Yangtze River.
| A．has been released | B．is being released |
| C．was released | D．have been released |