—Aren't you Mary's sister
—（）. I'm her aunt.

单项选择题My little sister is so tired, she can hardly walk,（）

A. does she
B. can she
C. doesn't she
D. can't she

单项选择题（）Yellow River is the second longest river in our country.

A. /
B. The
C. An
D. A

单项选择题It（）us two hours walk to get to our school.

A. take
B. takes
C. spend
D. paid

单项选择题Tell the students ______ their English books.

单项选择题One of the boys is ______, all the other boys are ______.

单项选择题Mrs. Hu asked Liu Fang and ______ to take part in the English meeting.

单项选择题He was made ______ thirteen hours a day by his boss.

单项选择题Either you or he ______ the team.

单项选择题They did ______ their father told them.

单项选择题—How soon will you finish the building —______.