——Did Jack come back early last night?——Yes. It was not yet eight o’clock _______ he arrived home.
#67405
A
before
B
when
C
that
D
until
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(09山东卷) 32. ------shall we have our picnic tomorrow? -----______it doesn’t rain.
#74126
A
Until
B
While
C
Once
D
If
— Have you found your English book? — I am not sure ____ I could have left it.
#74058
A
whether
B
what
C
when
D
where