liu Xiang announced the retirement（退役）in Shanghai _____May 17, 2015.
| A．in | B．on | C．at | D．since |
The shirt looks very nice. I guess it is _______ 100 yuan.
| A．at first | B．at most | C．at least | D．at last |
—I talked with a foreigner for a long time yesterday.
—Great! It’s a good _______ to practice English.
| A．habit | B．chance | C．skill | D．exercise |
—When and where _______ we meet?
—Let’s make it 3:00 at my home.
| A．do | B．must | C．shall | D．did |
—Would you please _______ so much noise?
—Oh, sorry, I won’t.
| A．not make | B．don’t make |
| C．not to make | D．making |
—Do you like swimming?
—Yes, swimming is a good way _______ fit.
| A．keep | B．to keep | C．keeping | D．keeps |