—No one answered when I phoned this morning. Where were you?—I for teeth in the dental clinic.
---Tom, why don’t we help our son work on his papers?---We’ve already done more than we ________.He is on his own this time.
The glorious moment would live in my mind ________ our football team won the championship.
According to the latest BBC news, a five-year-old boy from England _______ the youngest computer specialist in the world.
---You seem busy these days.---Yes.I’m writing a story.You know, it’s really not easy to write _______ with attractive plots.
With doubts _______ through my mind, I felt it necessary to carry out a research.