1 ________ to sunlight for too much time will do harm to one's skin.
A. Exposed B. Having exposed
C. Being exposed D. After being exposed
2 Many people agree that _______ knowledge of English is a must in ______
international trade today.
A. a ; 不填 B. the; an C. the; the D.不填; the
3 I feel it is your husband who _______ for the spoiled child.
A. is to blame B. is going to blame
C. is to be blamed D. should blame
4 She set out soon after dark ________ home an hour later.
A. arriving B. to arrive C. having arrived D. and arrived
5 —You should have thanked her before you left.
—I meant _______, but when I was leaving I couldn’t find her anywhere.
