______ it______ for your help,I couldn't have made any progress.
A: Had; not been
B: Should; not been
C: Did; not been
D: Not; be
A: Had; not been
B: Should; not been
C: Did; not been
D: Not; be
举一反三
- _____ it _____ for your help, I couldn’t have made any progress. A: Were; not B: Had; not been C: Should; not been D: Did; be
- _________ it _________ for your help, I couldn’t have made any progress.
- __________your valuable help，we couldn’t have finished the experiment ahead of time． A: If it were not for B: Had it not been for C: Were it not for D: If it has not been for
- They couldn’t have completed their work in time if it _____ for your help. A: was not B: is not C: had not been D: has not been
- _________ for the fact that she was ill for a long time, she might have made more progress. A: Had it not been B: Hadn’t it been C: Was it not D: Were it not