Had they not helped us, we coud not have done it so successfully.此句属于部分倒装。
举一反三
- Had they not helped us, our experiment _______________. A: had failed B: would have failed C: failed D: have failed
- So what have we done to their little brains
- They are not so willing () this picture hung in the house. A: as we to have B: as we have C: as us to have D: as have we
- They have done nothing for the coming Christmas,（） A: we have either B: so have we nothing C: neither have we D: nor have we noting
- We wish the work could ______ more quickly, but we'd had some difficulties in getting the right kind of supplies. A: have done B: have been done C: have been doing D: be done