It's fantastic to work as______volunteer for the Special Olympics World Games．（　　）

A．aB．anC．theD．不填

After chatting happily with the new student in my class，I gave her my QQ number and she gave me_____．（　　）

A．sheB．hersC．herD．herself

Leonardo has acted in 36 films．He finally won the Oscar for Best Actor____February 28，2016．（　　）

A．inB．atC．onD．to

Some people buy stamps not for sending letters now．They____them as their hobby．（　　）

A．sellB．designC．receiveD．collect

Do you know the famous basketball player Kobe has said goodbye to the NBA？

Yes．I'm afraid I will_____see him on screen．（　　）

A．sometimesB．oftenC．alwaysD．seldom