问题

When you got lost in the forest, I guess, you_____very frightened.[ ]
A: must be
B: must have been
C: should be
D: should have been
B: must have been
C: should be
D: should have been
正确答案是:
同类题型
Mr Wang isn’there, I think he___________ Guiyang.
_____ the wind and the rain, I still enjoy working outside in the world.
With the work ____, Mr Lin went out for a swim [ ]
What caused the accident and who was responsible for it ________ a mystery.[ ]
What ______ do you have for Paul—I think he should study harder than before.