Young people tend to get up very late unless ________ to rise early.
#83368
A
required
B
requiring
C
they were required
D
to require
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--It starts raining outside.--Oh, ____________! 
#84544
A
so it is
B
so does it
C
it does so
D
so it does
I could have helped the old man ______ yesterday morning.
#81489
A
did I come
B
if I came
C
had I come
D
if I should come
(2013·高考江西卷)Only when he apologizes for his rudeness________to him again.
#80032
A
I will speak
B
will I speak
C
do I speak
D
I speak