The experiment shows that proper amounts of physical exercise, if _______ regularly, can make a difference to our health[ ]

Who is making so much noise inthe garden—___________ the children

I was still sleeping at home when a fire ________ not far away from my house, and then it spread quickly.[ ]

When you don’t know a word, you can ______ in the dictionary.

It’s a pity that you didn’t come to my birthdayparty last night.–I’m terribly sorry. I ________ for an importantlecture.