Ⅰ.单项选择。（10分）
( )21.I bought a pair of running shoes because I want to _______ the teachers’ relay race.
A.join B.join in C.take part D.have part in
( )22.The motto of the modern Olympics is “_______”.
A.Fast, high, strong B.Faster, higher, stronger
C.Faster, high, strong D.Faster, high, stronger
