单项选择题
A.unconscious B.thrive C.severe D.prudent
I need （）more volunteers to help clean the classroom.A....
单项选择题I need （）more volunteers to help clean the classroom.
A.none B.any C.few D.some
Alice（） my letter; otherwise she would have replied bef...
单项选择题Alice（） my letter; otherwise she would have replied before now.
A.oughttohavereceived B.haven’treceived C.hasbeenreceived D.couldn’thavereceived
This is an old clock that is not only very beautiful bu...
单项选择题This is an old clock that is not only very beautiful but （）.
A.alsoittellstimeaccurately B.ittootellstimeaccurately C.itaccuratelytellstimealso D.alsoaccurate
