I always sleep with windows open _______ it is too cold outside.
| A．until | B．if |
| C．that | D．unless |
Lian Zhan, the Chairman of the KMT, enjoyed the scenery of the Huangpu River _______ the night of May 1st.
| A．at | B．in | C．on | D．over |
James is looking ________ his cat everywhere. Have you seen it ?
| A．like | B．at | C．for | D．after |
It’s not always necessary to look up the words ________ the dictionary while reading. Sometimes we need to guess.
| A．up | B．in | C．at | D．from |
Hangzhou is famous _______ producing silk in China.
| A．from | B．at | C．in | D．for |
—Guess, how much does it cost?
—I think it costs 15 and 20 dollars.
| A．from | B．between | C．among | D．with |