Our teacher taught us that water ___ at zero degree centigtade.
| A．freezes | B．freeze | C．freezed | D．is freezed |
-I've got something weighing on my mind at the moment. Could you give me some advice?
-__________. Tell me all about it and I'll do what I can.
| A．Never mind | B．No way |
| C．Forget it | D．No problem |
She __________ an old friend of hers yesterday while she was shopping at the department store.
| A．turned down | B．dealt with |
| C．took after | D．came across |
All the photographs in this book，__________ stated otherwise, date from the 1950s.
| A．unless | B．until |
| C．once | D．if |
It is believed that if an event is __________，it will surely __________ the readers.
| A．astonished; astonish | B．astonishing; be astonished |
| C．astonishing; astonish | D．astonished; be astonished |
Readers were pleased __________ that a scientist could write about his research in a way __________ ordinary people could understand.
| A．to find; that | B．finding; as |
| C．to find; as | D．finding; that |