_________ people were watching the sky, the alien got out of the UFO.
#57263
A
If
B
When
C
Because
D
While
推荐题目
—When will you return the book to me?—I’ll give it to you _________ I finish it.
#55208
A
once
B
until
C
as soon as
D
unless
He realized his mistakes and took action to reduce the loss _________ it was too late.
#55986
A
until
B
when
C
before
D
as
--- This history book is of great value. --- Exactly. ____________ can be enjoyed from it ____________ you have a deep understanding of it, however.
#55378
A
Nothing; unless
B
Few; till
C
Something; until
D
Little; since