"Not having returned home yet, _____", his father said to ..
"Not having returned home yet, _____", his father said to the police. [ ]A. his mother got worried B. his mother must be worried C. I think he is missing D. he must have got into some trouble.
The fact that so many people still smoke in public places _..
The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.(2011·江苏)A.suggestB.suggestsC.suggestedD.suggesting