--When did your father come back last night?
--He didn't come back _______ he finished all the work.
A. until B. while C. if
-- What's wrong with you, Sandy? You look so worried.
-- My pet cat _______ by a car this afternoon. And it is in hospital now.
A. is hit B. was hit C. hit
—How is your father feeling today?
—Much _______. He can’t go to work today.
A. badB. worseC. better
—What are you looking for?
—I’m looking for the book_______ you lent me yesterday.
A. thatB. whoC. whose
—What about _______ a rest?
—OK. Let’s go out and have a walk.
A. to takeB. takesC. taking
—Have you ever been to Shanghai?
—Yes. I _______ there a few months ago.
A. have beenB. wentC. have gone