1 . —Please ______ us in the discussion.
—I’d like to, but I have a meeting to ______.

A．join; attend	B．attend; join
C．attend; take part in	D．take part in; attend

2 . Try to_____ at least an hour each day for learning English and you’ll make progress.

A．set about	B．set against
C．set aside	D．set apart

3 . I like taking risks, too. I suppose it ______ in the family.

A．jumps

B．walks

C．runs

D．keeps

4 . It’s hard to tell real Jingdezhen vases, and it’s a little more difficult for the untrained shopper to______.

A．dismiss

B．distinguish

C．seek

D．shelter