About ____ gene-targeting drugs are already in testing pipeline. It won’t be long ____ they are put into effect.
--Which play shall we go and see? ----____________________.
You _________think you're clever, but that doesn't give you the right to order me about!
--Jack's won _____________ holiday in London. --_________ lucky fellow !
____________ great help, I could get rid of all the difficulty and succeeded.
The reason__________ their failure you know is _____they didn't get fully prepared for the experiment.