He is getting fat, so he plans ____ swimming.
— I can’t decide __________or not I should encourage my son to be a volunteer.— Why not? It will make him more helpful.
---I seem to be lost. Could you tell me _____?---Sure. You can take the No.3 bus to get there.
--- What did Mike say?---- He said ______.
Tom asked my friend ________.
It is clever ______ you ______ out the problem.