A.has not decided B.have not decided C.has not been decided D.have not been decided
单项选择题Teachers recommend parents () their children under 12 to ride bicycles to school for safety.
A.couldn’t allow B.mustn’t allow C.do not allow D.not allow
单项选择题—Did you see a girl in white pass by just now? —No, sir. I () a newspaper.
A.read B.was reading C.would read D.had read