It was clear that the small grocer was _____ people he owed money to.
| A．at the expense of | B．at the risk of | C．in the way of | D．at the mercy of |
Simon made a big bamboo boxthe little sick bird till it would fly.
| A．keep | B．kept | C．keeping | D．to keep |
Our teachers always tell us to believes inwe do and who we are if we want to succeed.
| A．why | B．how | C．what | D．which |
Nick, it's good for you to read some books（）China before you start your trip there.
| A． | in | B． | for | C． | of | D． | on |
To get a better grade, you should __________the notes again before the test.
| A．go over | B．get over | C．turn over | D．take over |
As it reported, it is 100 years _____________Qinghua University was founded.
| A．when | B．before | C．after | D．since |