These photos ______ on the Great Wall last week.
A. take B. took C. were taken D. are taken
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
