Cars, buses and bikes ___stop when the traffic lights change to red.
| A．may | B．must | C．can | D．need |
Beijing is the capital of China and it is one of ______ cities in the world.
| A．big | B．bigger | C．biggest | D．the biggest |
There ______ something wrong with my bike today, so I have to walk to school.
| A．is | B．are | C．has | D．have |
--When will Mr. Black come to Beijing?
--________ the morning of September 5th.
| A．In | B．On | C．At | D．For |
--Who’s your Chinese teacher?
--Miss Zhang. She has taught ______ Chinese for two years.
| A．our | B．us | C．ours | D．we |
Jenny will visit me if he ____________ here.
| A．comes | B．has come | C．came | D．will come |