五、单项填空。 (共10分,第小题1分)
( )21.They arrived in Beijing _________the evening of May 4th.
A.on B.in C.by D.at
( )22.This is ________ ID card and__________ is over there.
A.my, your B.my yours C.mine, yours D.mine, you
( )23.Mr. Wang will go to Hainan for vacation if he _________ enough time.
A.had B.will have C.is having D.has
( )24.Do you know ____________?
( )21.They arrived in Beijing _________the evening of May 4th.
A.on B.in C.by D.at
( )22.This is ________ ID card and__________ is over there.
A.my, your B.my yours C.mine, yours D.mine, you
( )23.Mr. Wang will go to Hainan for vacation if he _________ enough time.
A.had B.will have C.is having D.has
( )24.Do you know ____________?