We were swimming in the lake ______ suddenly the storm started.

Teenagers should ________ to take care of themselves from a young age.

I think it’s going to be a11 argument—Yesit could be—I wonder we can do about it

e discovered that it was all ______ joke, he laughed so hard that he nearly fell to _____ ground.

［11·资阳中考］—What’s thatnoise —Oh, I forgot to tell you. The neighbours ________for a party.