----Don't forget to come to our school assembly(集会)tomorrow morning.----I won't. I just now.
—What do you think of the new bridge?—I have never seen _____ before.
. —A new shop ________ for a week nearby. Let's go and have a look.—Great idea. But I'm told it doesn't __________ on Mondays.
“Underground” is the only word in the English language _______ begins and endswith the letters “und”.
People should ______ from ______ down the trees to protect the earth.
—Mr. Li’s never been to Shanghai, has he?— . He went there to attend a meeting last week.