He insisted that we all _____ in his office at one o ’clock. A. be B. to be C. would be D. shall be
A.
be
B.
to be
C.
would be
D.
shall be
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参考答案:
举一反三
【单选题】1 Researchers uncovered a serious flaw in the underlying technology for nearly all Internet traffic, a discovery that led to an urgent and secretive international effort to prevent global disruptions ...
A.
Serious flaw uncovered in a core Internet technology had attracted international attention.
B.
The Internet is held together by the glue.
C.
Normal Internet operations may survive the hacker attacks.
D.
Hackers could attack computers without getting online.