Respuesta :
Only A is correct
B-We should have left early (should've)
C-The boys should have fought (should've)
D-They might have broken the records (might've)
These abbreviations in brackets may also be used
B-We should have left early (should've)
C-The boys should have fought (should've)
D-They might have broken the records (might've)
These abbreviations in brackets may also be used