1 . There is usually an interval between the first half and the second half of the football match, ________ coaches can instruct the players how to play.

A．when

B．which

C．what

D．where

2 . The sports meeting will be postponed until June 2^nd, _________all the people are available.

A．which

B．whose

C．when

D．that

4 . 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

5 . 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