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
A: must have found out
B: should have found out
C: must find out
D: could find out
举一反三
- 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
- It was not until the eleventh century that___ A: the detective found out the truth B: did the detective find out the truth C: had the detective find out the truth D: had the detective found out the truth
- Scientists have found out how pigeons find their way home but they keep it as asecret.
- It was not until dawn ______ their way out of the forest. A: when they found B: that they found C: did they find D: that they didn't find
- The police ____________ at last. A: [A] found out the driver of the red car and arrested him B: didn't find out the driver C: didn't find the red car