Not until _____,_______the diffiult problem.
#82145
A
did he return;we settled
B
he returned;we settled
C
did he return,did we settle
D
he returned;did we settle.
推荐题目
Only when I read this story for a second time _________to appreciate its beauty.
#80990
A
did I begin
B
that I begin
C
I began
D
had I begin
Only after ___ your homework _________ watch TV. 
#82348
A
have you finished; you can
B
you have finished; can you
C
have you finished; can you
D
you have finished; you can
It was announced that only when the terrible disease was under control ________ to return to their homes.
#80801
A
the residents would decide
B
would the residents decide
C
would the residents be decided
D
the residents would be decided