The robber _____ this way, for here are his footprints.
A: should have escaped
B: should escape
C: must have escaped
D: must escape
A: should have escaped
B: should escape
C: must have escaped
D: must escape
举一反三
- The man （ ）this way, for here are his footprints. A: should have left,should left,must have left,must left
- Had they been warned of the possible danger, they ______. A: may have escaped B: could have escaped C: must have escaped D: can have escaped
- Somebody ______ here only this morning. A: must be B: can be C: must have been D: should have been
- The light in his office has been turned off. He ___________. A: must have left B: must leave C: should have left D: have left
- He must have had an accident, or he ______ then. A: would have been here B: had to be here C: should be here D: D. would be here