It was not until dark         he found that it was the correct way to solve the problem.
#85055
A
that
B
what
C
which
D
when
推荐题目
—What was it that caused the party to be put off?—________ the invitations.
#84745
A
Because Tom delayed sending
B
Tom delayed to send
C
That Tom delayed sending
D
Tom delayed sending
 — Do you know __________ they got to know each other? — It was last year ________ they both taught English in China.
#84674
A
when was it that; when
B
when it was that; that
C
when it was that; when
D
when was it that; that