If you don’t study hard, you’ll regret, ___________ you?
| A．won’t | B．don’t | C．will | D．do |
If you want to do the experiment again, you had better be more careful ________ you made a mistake.
| A．when | B．why | C．where | D．that |
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 |