The cause and effect for the time being.
A: are not found out
B: have not been found out
C: were not found out
D: has not been found out
A: are not found out
B: have not been found out
C: were not found out
D: has not been found out
举一反三
- We ______out by that time that he______a thief for a long time. A: had found; had been B: had found; was C: found; had been D: found; was
- The police ______ the evidence last time, but they did not. A: must have found out B: should have found out C: must find out D: could find out
- ______ has not been found out when the plane took off. A: It B: That C: What D: Which
- – What place is it? A: -Haven’t you found out we ______back where we ______? B: were; had been C: are; were D: were; have been E: are; had been
- The lost car of the Greens______ abandoned in the grove off the highway yesterday. A: have been found B: has been found C: were found D: was found