__________ there was danger ahead, the girl walked on.
| A．Known not | B．Not known | C．Knowing not | D．Not knowing |
Being poor, they had to build a__________ shelter out of tree trunks.
| A．common |
| B．normal |
| C．primitive |
| D．formal |
Jack's business is not as good as before, so he has to __________ the expenses of his company.
| A．cut off |
| B．cut away |
| C．cut up |
| D．cut down |
Look at the trouble I'm in! If only I__________ your advice.
| A．followed |
| B．had followed |
| C．would follow |
| D．were following |
—Do you know where David is? I couldn't find him anywhere.
—Well. He __________ have gone far—his coat's still here.
| A．shouldn't |
| B．mustn't |
| C．can't |
| D．wouldn't |
—It's been a wonderful evening. Thank you very much.
—__________.
| A．My pleasure |
| B．I'm glad |
| C．No. thanks |
| D．It's OK |