-The weather there is very cold,isn't it?

-The weather there is very cold,isn't it?
-____.We only wear shirts every day.
A.yes,it is
B.that’s right
C.no,it isn't
D.you are right
-So you're back from Shenzhen.Could you tell us what you went that for?
-Oh,just______a good friend of mine.
A、to visit
B、visit
C、visited
D、visiting
-Peter is ill in hospital.
-Oh,really?Well,-__ him.
A.I had seen
B.I’ve seen
C.I saw
D.I‘m going to see