What is the girl saying?
A. Let me help you B. Can I help you? C. Could you help me? 
You will achieve nothing _ you work hard.
| A．if | B．unless | C．when | D．that |
In the piano contest, my brother didn't play well and I did_
| A．very well | B．much better | C．very good | D．even worse |
Hello! I'm very glad to see you. When_________ you_________ here?
| A．did; arrive | B．will; arrive | C．have; arrived | D．are; arriving |
Tom rushed into the house______ his mother was cooking.
| A．as | B．before | C．while | D．after |
Basketball has a history of nearly 300 years. Today it is still loved by______ the young___
the old.
| A．both...and... | B．either... or... | C．not...but... | D．neither...nor... |