--How can I make progress in my study,Sir?--_______ an effective learner,you should find some good approaches.
.--- Where are you, Nancy? --- Here in the sitting room, _______ to Professor Smith.
--- Where will you start your work after graduation? --- Mmm, it’s not been decided yet.I _______ continue my study for a higher degree.
How many more decades will have to pass ____ scientists succeed in providing a cure for cancer?
_______ information cost him many chances of finding jobs.
The question occurred to me ______ we were to get the machine needed.