Bill Grates is one of ______ people in the world.
A. the richer B.richest
C.richer D.the richest
Susan is so worried because she ______ her ticket, then she can’t go to England on time.
A. lose B.lost
C.losing D.will lose
______ on the light, Tony. It is too dark in the room.
A.Turning B.To turn
C.Don’t turn D.Turn
He kept writing the book _____ he was in great pain.
A.because B.if
C.unless D.even though
–Sam, could you please turn down the radio? Your sister _____ in her room.
--OK, Mum.
A. sleeps B.slept
C.is sleeping D.was sleeping
David’s dream is to go to the west of China and ______ an early childhood school there.
A. clean up B.look up
C.give up D.set up
