Although there are no classes in the afternoon now, no student ______ go out of school without the head teacher’s permission.
#102174
A
will
B
must
C
may
D
shall
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Betty will ring me up as soon as she ______ in Beijing.
#101706
A
arrive
B
arrives
C
arrived
D
will arrive
— I hope you liked the concert last night.— How on earth do you know I went to the concert? I __________ you.
#101271
A
haven’t told
B
hadn’t told
C
didn’t tell
D
won’t tell
Though iPhone 4 is such a hit product, I won’t buy one unless its after service ______.
#102540
A
was improved
B
gets improved
C
is improving
D
had got improved
--How did he get infected? --She ____the viruses without any protection.
#101629
A
exposed to
B
had exposed to
C
was exposed to
D
had been exposed
—Hi, Susan, you look tired.—I ______ for months for the coming celebration for the school’s 60th anniversary.
#101623
A
was preparing
B
have been preparing
C
had prepared
D
prepare