--- Why do you suggest we buy a new machine? --- Because the old one has been damaged ___________.
Ivy told Nancy that she what she was doing during the vacation.
Tom is an aggressive but easygoing person, will succeed whatever career he chooses.
----- Believe it or not, my sister and I are twins. ----Oh, you must have had the case ________ you were taken for your sister.
_____ you are in a speech contest or you are giving a talk in class, a little preparation will make your presentation organized and dynamic.
Best-selling author and race car driver Han Han offered a 20 million RMB reward to _____ could prove his works were ghostwritten (代笔).