—Have you been wasting time chatting online recently?—________. I've been studying hard and I need a break.
-----Who’s the man over there?Is it Mr.Black?——It______be him.He’s much taller.
Steve Jobs is one of the persons ________ founded(创办) Apple Computer Company.His death marked the end of an era (时代).
The plane left _______ Shanghai ________ a rainy morning.
My grandpa told a good story, but I told a ________ one.
——Did she agree with you? ——No. I said, she didn’t believe me.