-Betty, hurry up! Your mother _______ for you at the school gate. -OK!
A. waited B. waits
C. is waiting D. will wait
Though he worked ____, he still _____ make any progress.
A. hardly, hardly B. hardly, hard
C. hard, hard D. hard, hardly
It will be easier for people to realize their dreams if they____ highly
A. have; educated B. will; educate
C. are, educated D. were; educated
Everyone arrived on time ____ the traffic was so terrible.
A, if B. unless C. though D. because
-____ is it from your home to the supermarket? -About ten minutes’ walk
A. How long B. How far
C. How much D. How many
People ____ more and more useful things to protect the earth since Earth Day was started.
A. did B. were doing
C. will do D. have done