I don’t suppose he is ______ to come to our help when we get into trouble.
_____ it is _____ you obtain, you should share _____ your parents your feelings.
About ____ gene-targeting drugs are already in testing pipeline. It won’t be long ____ they are put into effect.
People take naps at noon in warmer climates, ____ the heat makes work difficult in the early afternoon.
--- What do you think of this novel? --- Er … sorry. I _____. What did you say?
At the conference, people of different _______ were given a chance to exchange theirs with each other.