She thought I was talking about her daughter , _____, in fact , I was talking about my daughter .
| A．whom | B．where | C．which | D．while |
．--- Where are you, Nancy?
--- Here in the sitting room, _______ to Professor Smith．
| A．is writing | B．write | C．to write | D．writing |
--- Where will you start your work after graduation?
--- Mmm, it’s not been decided yet．I _______ continue my study for a higher degree．
| A．can | B．must | C．would | D．might |
How many more decades will have to pass ____ scientists succeed in providing a cure for cancer?
| A．when | B．since | C．before | D．until |
_______ information cost him many chances of finding jobs．
| A．Lack of | B．Short of | C．Lack | D．Lacking of |
The question occurred to me ______ we were to get the machine needed．
| A．that | B．what | C．why | D．where |