Only when we hurried to the airport ______ the fight was canceled.
A: we found
B: did we find
C: have we found
D: we have found
A: we found
B: did we find
C: have we found
D: we have found
举一反三
- Nowhere but around this mountain area ______ such kind of custom in the past twenty years. A: we found B: we had found C: did we find D: have we found
- We had a lot of trouble a parking place when we went to have supper in this restaurant yesterday A: finding B: to find C: having found D: found
- We have found such materials ____ are used in their factory.
- We ____ our seats till the film had begun. A: had found B: had not found C: found D: did not find
- I think it is high time we ______ a solution to the pollution. A: found B: will find C: find D: have find