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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 |
Mary __________ a dress when she cut her finger.
| A．made | B．is making |
| C．was making | D．makes |
—Have you ____ been to our town before?
—No, it’s the first time I ___ here.
| A．even, come | B．even, have come |
| C．ever, come | D．ever, have come |
—Do you know our town at all?
—No, this is the first time I __________ here.
| A．was | B．have been |
| C．came | D．am coming |
He attended the party without _______________.
| A．invited | B．inviting | C．having invited | D．being invited |
The library needs ＿＿, but it will have to wait until Sunday．
| A．cleaning | B．to clean | C．clean | D．being cleaned |