Beijing, the capital of China, is one of _________ cities in the world.
A．the biggest B．bigger C．biggest D．big
He will send me a message as soon as he _________ in London.
A. arrived B. arrives C. will arrive D. is arriving
While I ______ with Lily, the school bus came.
A. talk B. talked C. was talking D. am talking
Jason was ill yesterday, ________ he didn’t go to school.
A. or B. but C. for D. so
You _______ cross the road when the traffic lights are red.
A. can
B. 
must
C. mustn’t D. needn’t
Don’t turn on the TV. Lucy has just come home
from work and _______
___.
A．sleeps B．is sleeping C．was sleeping D．slept
