( )21. London is __________ big city and it’s capital of the UK.
A. the, the B. a, a C. the, a D. a, the
( )22. your sisters afraid of __________ out alone(独自) at night？
A. Is; going B. Is; to go C. Are; going D. Are; to go
( )23. Mrs. Zhu teaches __________ English . She is a good teacher of __________.
A. us; us B. our; our C. us; ours D. our; ours
( )24. There is __________with her MP5. It doesn't work.
A. nothing wrong B. wrong nothing
C. something wrong D. wrong something
