How can you expect him to make any progress________you never give him a chance to have a try?
| A．when | B．unless | C．even though | D．until |
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 |
Information technology is taught in most schools，__________we have entered the information society.
| A．so | B．while | C．still | D．for |