As the prisoner had been ______from the outside world for twenty years, he had no idea what the outside world was like.
| A．cut off | B．cut away | C．cut out | D．cut short |
Only those who have experienced hardship well aware of what happiness means.
| A．can they be | B．they can be | C．can be | D．they can |
—Did Alan enjoy seeing his old friends yesterday? ?
—Yes, he did．He ______ his old friends for a long time．
| A．didn’t see | B．hadn’t seen |
| C．hasn’t seen | D．wouldn’t see |
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 |