______ it ______ for your help, I couldn’t have made any progress.
#83328
A
Had; not been
B
Should; not been
C
Did; not been
D
Not; been
推荐题目
--- How is the man injured in the accident?---- The doctor said if ________ in a proper way, he was likely to be saved.
#80178
A
treated
B
treating
C
is treated
D
to be treated
Only after liberation（解放） to be treated as human beings.
#83049
A
did they begin
B
they had begun
C
they did begin
D
has they begun
,mother will wait for him to have dinner together.
#81928
A
However late is he
B
However he is late
C
However is he late
D
However late he is
Only after you have known someone for some time producers his real worth.
#83729
A
you begin
B
do you begin
C
you do begin
D
begin you
So difficult it to live in an Englishspeaking country that I was determined to learn English.
#79516
A
I have felt
B
have I felt
C
I did feel
D
did I feel