--___do you clean the reading room? ---Every two or three days.

“I think the tie beautiful,” I said, “A man can never have ______ many ties.”

(2013·高考湖北卷)Don’t defend him any more.It’s obvious that he________destroyed the fence of the garden even without apology.

The death toll of the quake in New Zealand is _____ 150, but officials say the figure won’t stand because they are still getting information in．

The questionnaire takes        ten to fifteen minutes to complete and can be used long with the assessment interview.