_________ Mary likes chatting, she is careful about making friendswith strangers online.
He didn’t make ____ clear when and where the meeting would be held.
________ to sunlight for too much time will do harm to one's skin.
This medicine will ____ him of his cough.
He didn’t make clear when and where the meeting would be held. A. this B. that C. it D these
I just wonder that makes him so excited.