We ______ that he is quite untrust--worthy.
A: have found
B: have discovered
C: have invented
D: have looked for
A: have found
B: have discovered
C: have invented
D: have looked for
举一反三
- They （） this boy for quite a few days before they found him. A: have looked for B: had looked for C: have been looking for D: had been looking for
- 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
- We have to do quite a bit of reading, and then we have our________(手头) work which would be an essay. )
- He made the proposal that we ______ a role play at the English evening. A: have B: had C: will have D: have had
- The Vikings are believed ________America. A: to have discovered B: to discove C: in discovering D: to have been discovered