二、语法小练兵
1、They ____ the plane, or perhaps they have been prevented from coming for some reasons.
A. can have lost B. may have lost C. can have missed D. may have missed
2、 ----I need a dictionary at present time.
----Jack____. He bought a new dictionary last week.
A. may lend you one B. might lend one
C. may lend this D. might be lending you
3、When we got to the airport, they ____ home.
A. may have just left B. may just leave
C. might be leaving D. might leave
