Only when _______ 30 years old ______ to learn English.
| A．was he; did he begin | B．he was; he began | C．he was; did he begin | D．was he; he began |
It was ten years _______ he returned to his hometown and set out to revenge his dead father.
| A．since | B．that | C． before | D． when |
--- What a lot of fun it is to play on a frozen sports field!
--- Isn’t it rather risky, ?
| A．though | B．also | C．either | D．too |
At the party, John made up a joke, people burst out laughing.
| A．on which | B．by which | C．at which | D．from which |
Success in life doesn’t
happen . It’s the result of devoting your time and energy to what you’ve set out to do.
| A．in case | B．by chance | C．in return | D．by nature |
If it had rained even a drop, things would be much better now and the crops in the fields .
| A．wouldn’t die | B．didn’t die | C．hadn’t died | D．wouldn’t have died |