---Excuse me, which is the way to the museum?
---Sorry, I don’t know. This is my time here.
| A．one | B．two |
| C．second | D．first |
__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 |
You’d better look up the new word in a dictionary _____ you don’t know it ?
| A．if | B．that | C．though | D．whether |