Scientists are convinced _ the positive effect of laughter physical
and mental health.
| A．of; at |
| B．by; in |
| C．of; on |
| D．on; at |
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 |
---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 |
---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 |
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 |
---How do you find the movie you saw last night?
---_______. I just saw half of it
| A．disappointment | B．disappointed | C．disappointing | D．disappointingly |