23. We went into a hall, on_____walls hung a few pictures of some famous scientists.
| A．its | B．which | C．whose | D．Those |
相关试题
Between the two periods of classes is a break,_____we can have a short rest.
| A．then | B．where | C．when | D．Which |
With all the novels he was interested in _______, he left the library and went back to his dorm.
| A．borrowed | B．borrowing | C．to borrow | D．borrow |
--The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
---____ my students have a try?
| A．May | B．Must | C．Will | D．Shall |
A series of stimulus policies and supportive measures taken by the government _____ to promote change in the economic environment in this area.
| A．are expecting | B．are expected | C．is expecting | D．is expected |
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