When I got home, I found the door open. A.terrible thought me—had anyone broken.A.beat B.knocked C.struck D.appeared
I ______ a flu when I was on a spring outing with my classmates.
The weather that day may not be as good as expected, in ________ case we will have to put off the event.
Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.
—Jenny, I hate to say it, but you really must go! —________.
Mr. Smith doesn’t like all that empty talk between Susan and Joan, which he thinks will definitely get them ________.