It was in the lab ______ was taken charge of by Professor Harris _______ they did the experiment.
Raw materials is what we are badly _______ to develop the new plan.
---How can I help you the most? --- ________ out of the way.
You’d better give the task to _____ you think can finish it ahead of time.
The heavy rain is so troublesome. _________ it would stop!
The child complained that the old man made no answer whenwhere he lived.