20. He doesn't have enough money to travel ( ) farther.
a. any b. some c. yet d. more
21. Many foreign stndents dont ike American coffee, and ( )-
a.T dont, too b. neither don'tT
c. either dontT d. neither dol
22.In( ) ten years, man wl probably have reached Mars.
a. other d. another
28.Tf( 半
a.anyone
one else comes