Mount Yangming is fantastic. you ever it?( )
A.Have; visitedB.Was; visiting
C.Do; visit
If you watch carefully, you can see ________ the man does the trick with the cards.
— Excuse me, can I interview Mr White? — A moment, please. Let me check ________.
The students don’t know the broken computer.
---Did Mr Smith tell you __________? ---Yes. He said that he went there in 2003.
— What are you discussing? — We are discussing_______________.