The dark clouds are gathering. You’d better take your umbrella _______ it rains.
| A．when | B．even if | C．if | D．in case |
All of us want very much to see these recommended movies, especially _____ you referred to just now.
| A．as | B．which | C．the one | D．one |
--- Where did Mary’s parents buy the beautiful souvenir?
--- It was in the same village_______ they spent their holidays last year.
A．that B．when C．as D where
John’s ability to learn from observations and experience___________ greatly to his success in public life.
| A．owed | B．attached | C．related | D．contributed |
Good news came that Nancy decided to donate blood to Dan Hens, and the results of the medical tests came in: She was a__________.
| A．suit | B．fit | C．match | D．mate |
___________in the study lost in thought for a long time, I suddenly realized that nothing in the world remains __________.
| A．Having sit; unchanged | B．To sit; unchanging |
| C．Sitting; unchanged | D．Sitting; unchanging |