At last the determination and patience of the scientists _______in 1996 with a breakthrough -------- the cloning of Dolly the sheep.
| A．paid off | B．paid out | C．paid back | D．paid up |
It is reported that some wild animals were found_______ in a big cave in the mountain.
| A．to hide dead | B．hidden dead | C．hiding dead | D．hidden death |
．—Do you knowKorean idol group called Supper Junior?—Is it one with a Chinese member?
| A．/ ; / | B．a; the | C．the ; / | D．/ ; the |
---Mom, I have passed the driving test!
--- ______!
| A．Good for you | B．Good luck | C．Cheer up | D．Go ahead |
As reliable parents, they never ______ to give their son what he is promised.
| A．expect | B．intend | C．manage | D．fail |