Not until he met with the difficulty _______ the importance of group work.
#80418
A
he realized
B
did he realize
C
realized he
D
he didn’t realize
推荐题目
Not only ______  strict with us, but also ______  for us .
#81336
A
was the teacher ; did he care
B
was the teacher ; he cared
C
the teacher was ; did he care
D
the teacher was ; he cared
The door opened and there    .
#80598
A
entering our English teacher
B
entered our English teacher
C
did our English teacher enter
D
our English teacher entered
Only when        .
#83787
A
did he arrive the meeting began
B
he arrived did the meeting begin
C
did he arrive the meeting begin
D
he arrived the meeting began