It is only when an NBA player has aged and been through many battles _____he learns an important lesson;
there is no "I" in "team".
| A．after | B．before | C．that | D．what |
－Is it OK to take this seat?
－Sorry. _______
| A．here you are | B．take it |
C．it’s taken | D．never mind |
But for the help of my English teacher, I ____ the first prize in the English Writing Competition.
| A．would not win | B．would not have won | C．would win | D．would have won |
In April, 2009, President Hu inspected the warships in Qingdao,the 60th anniversary of the founding of the PLA Navy.
| A． |
marking |
B． |
marked |
C． |
having marked |
D． |
being marked |
She had just finished her homework ____ her mother asked her to practice playing the piano yesterday. 
| A．when | B．while | C．after | D．since |
_____ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
| A．Reminding | B．Reminded | C．To remind | D．Having reminded |