You can be sure of _____ you have at present ; you cannot be sure of something_______you might get in the future .
| A．that ; that | B．what ; / | C．which ; that | D．/ ; that |
Large quantities of polluted water_____ into the sea so that lots of fish died.
| A．is flowing | B．was flowing | C．are flowing | D．were flowing |
---Is it height and weight_____the interviewer pays attention to?
---Absolutely not. He will consider _____ important to be experienced
| A．which; it | B．that ; it | C．which ; that | D．that ; that |
---Where did you fall in love with her at first sight?
---____was in a small villiage where my father worked.
| A．That | B．There | C．It | D．This |
In face of difficulties the climbers______in the hope of reaching the top before dark.
| A．insisted on | B．looked up | C．turned away | D．kept on |
Those were the graduate assistants ______ to do the research work in the lab.
| A．to whom it was their responsibility | B．whose responsibility there was |
| C．whose responsibility was | D．of whom with the responsibility |