One advantage of playing the guitar is it can give you a great deal of pleasure.
| A．how | B．why | C．when | D．that |
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 |
According to the literary review, Shakespeare ____ his charities live through their language in his plays. 
| A．will make | B．had made | C．was making | D．makes |
It seems that living green is ______easy and affordable. A small step masks a big difference.
| A．exactly | B．fortunately | C．surprisingly | D．hardly |