How do they get to school?一They ________ the subway．

IfBetty has time, she______ climbing with her parents tomorrow.[ ]

________ is no doubt ________ he will win the first prize.

Ann helps Lily with her homework ______ eight o’clock ______ Sunday. [ ]

What do you usually do in your free time?—— I enjoy reading in the library ________ has many good books.