A．might go

B．should go

C．could have gone

D．must have gone

He went on foot, but he ________ by bus.

A．might go

B．should go

C．could have gone

D．must have gone

He went on foot,but he ______ by bus.

[　　]

A．might go　　　　　　 B．should go

C．could have gone　　　D．might have gone

He went on foot, but he ______ by bus.

[　　]

A．might go 　　B．should go

C．could have 　D．might have gone

The man went on foot, but he __________by bus.

[　　]