With so many noises from the busy traffic in the street, I couldn’t______ and do my research work.
| A．put down | B．set down |
| C．cut down | D．settle down |
A lot of people were made tired of the lecture which ________as long as four hours.
| A．kept | B．went on | C．continued | D．lasted |
I have to amuse myself by looking after my 10－month baby since I have nothing important to work________these days.
| A．in | B．during | C．on | D．for |
It took the scientists seven days to________Takla Makan________“the sea of death”.
| A．climb;calling | B．through;called |
| C．across;naming | D．cross;named |
—Where did ________traffic accident happen,sir?
—It took place at ________crossroads by the bank.
| A．a;/ | B．the;a | C．/;a | D．a;a |
__________ the text a second time，the meaning will become clearer to you.
| A．Read | B．Reading | C．If reading | D．When you read |