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【单选题】
我国从新民主主义进入社会主义的标志是（ ）。A.
社会主义公有制经济的补充
B.
社会主义市场经济的重要组成部分
C.
非公有制性质的经济
D.
逐步向公有制过渡的经济
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举一反三
【单选题】With her hands so full, she____to the concert last night.
A.
wouldn't go
B.
oughtn't to go
C.
shouldn't have gone
D.
mustn't go
【单选题】With all this work on hand, she ______ to the dance party last night.
A.
oughtn't to go
B.
hadn't gone
C.
shouldn't have gone
D.
mustn't have gone
【单选题】— Why does Sara know so much about Angkor Wat? —She ____ have been there, or... [ ]
A.
must
B.
oughtn't to
C.
may
D.
can't
【单选题】— Why does Alice know so much about Angkor Wat? — She ______ have been there, or ...
A.
must
B.
oughtn't to
C.
may
D.
can't
【单选题】She oughtn't to have stood in a queue: she________her train ticket from the Automatic Ticket Machine.
A.
could have got
B.
must have got
C.
has got
D.
got
【单选题】—Why does Sara know so much about Angkor Watt?—She ______ have been there, or because of some other reasons.
A.
must
B.
oughtn't to
C.
may
D.
can't
【单选题】Finally Mary was admitted by Beijing University , for which she ___ five times . A . had tried B . was trying C . has tried D.tried
A.
． had tried B ． was trying C ． has tried D.tried
B.
． was trying C ． has tried D.tried
C.
． has tried
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