In April, 2009, President Hu inspected the warships in Qingdao, ______ the 60th anniversary of the founding of the PLA Navy.
I'm afraid I won't be available. I __________ a friend off at 3 o'clock this afternoon.
—Could you give these books to Mr. Black?—Absolutely. __________ him at five o'clock this afternoon.
You can't miss him. He __________ a dark green suit and a yellow tie waiting for you.
She is not used to __________ like that.
The new rule has been working effectively since it __________.