I didn’t manage to do it _____ you had explained how.
#94719
A
until
B
unless
C
when
D
before
推荐题目
 With the help of the high technology, this year the factory has produced ________ it did last year.
#91907
A
twice as many as
B
twice as many cars as
C
twice as many as cars
D
twice cars as many as
_____________ that he did quite well in the exam.
#93808
A
He made so rapid progress
B
He made so rapid a progress
C
His English made such rapid progress
D
He made such rapid progress.
____is no doubt ____ Bob can win the first price in the match.
#92364
A
There; that
B
It; that
C
There; whether
D
It; whether