They arrived Shanghai Sunday afternoon.
A. in; in B. at; in C. in; on
Xi Jinping paid his first visit to ______ in March, 2013.
| A．South Africa | B．Russia | C．Tanzania | D．The Repulic of Congo |
__runs the fastest in the world.
| A．The cheetah | B．The white shark | C．The tiger | D．The manatee |
| A．mother | B．father | C．pen pal | D．e-pal |
I really want to know _______.
| A．what is wrong with my brother | B．how will he go to Beijing tomorrow |
| C．if had he bought that car | D．where did he go yesterday |
Now the air in our city is _______ than it used to be. Something must be done to stop it.
| A．very good | B．much better | C．rather bad | D．even worse |