1 . But my connection with pandas goes back to my days on a TV show in the mid-1980s, _____ I was the first Western TV reporter permitted to film a special unit caring for pandas rescued from starvation in the wild. （用单词适当形式填空）

2 . Mr. Smith owned this oil painting until the early 1990 s, ____________he gave it to his grandson.

A．which

B．when

C．where

D．who

3 . We will put off the picnic in the park until next week, ________ the weather may be better.

A．that	B．where
C．which	D．when

4 . Between the two parts of the concert is an interval, ________ the audience can buy ice­cream.

A．when	B．where
C．that	D．which