The boy looked very ______; he must have seen something _____ on the way to school.
| A．frightened ; frightening |
| B．frightened ; frightened |
| C．frightening ; frightened |
| D．frightening; frightening |
“Can I get you a cup of tea ? ”“____”
| A．That''s very nice of you | B．With pleasure |
| C．You can , please | D．Thank you for the tea |
— I stayed at a hotel while in New York .
— Oh , did you ? You ____ with Barbara .
—
| A．could have stayed | B．could stay | C．would stay | D．must have stayed |
He ____ you more help even though he was very busy .
| A．might have given | B．might give | C．may have given | D．may give |
I thought you ____ like something to read , so I have brought you some books .
| A．may | B．might | C．could | D．must |
I can''t find Jane anywhere in the office building . Where ____ she have gone ?
| A．must | B．can | C．should | D．need |