23. Jenny is always _______, never complaining about her poor health and other troubles.
| A．careless | B．grateful | C．cheerful | D．comfortable |
Try to spend your time just on the things you find_________.
| A．worthing doing them | B．worth being done |
| C．worthy to being done | D．worthy of being done |
The police were seeking more information to find out ______ the rich merchant.
| A．who was it that killed | B．who it was that killed |
| C．it was who killed | D．who was it killed |
Not until he called the secretary three times ______ that the manager went to an important meeting.
| A．did he tell | B．he told | C．was he told | D．he was told |
---- You don’t go to that supermarket quite often, do you?
---- No, I only go there ______ because it’s too far away from my house.
| A．eventually | B．constantly | C．occasionally | D．frequently |
During the reconstruction of the city, many modern tall buildings went up ______ old shabby houses were torn down.
| A．where | B．in what | C．in which | D．which |