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【简答题】
假设字母A放入一个空的队列中,然后依次是字母B和C。再假设此队列中一个字母被移出,之后依次插 入字母D和E。请按照字母在队列中从表头到表尾出现的顺序列出它们。如果此时再要从队列中移出 一个字母,应该是哪个字母?
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反馈参考答案：
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
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