Many parents prefer kindergartens to spend more time teaching math and Chinese to help their kids _______ an early lead in primary school performance.

— Did you see a man in black pass by just now? — No, sir. I _______ a newspaper.

Until we have discussed all the details, no decision_________ about any new operations.

---I’m sorry!  I would have taken him to hospital if I had known he was seriously ill.--- But ______ .

Had it been possible, I would have gone to attend Monica in the hospital, but I  fully occupied last month.