—Do you know _____ that Mr. White left the party without saying a word last night?
—Perhaps because he was angry with Alan’s rude remarks.
| A．why was it | B．how was it | C．how it was | D．why it was |
He sat at the desk, __________ a novel.
| A．read | B．to read | C．reading | D．reads |
Mary __________ the job he offered to her, but she didn’t.
| A．can’t take | B．ought to have taken | C．should take | D．must have taken |
— It was careless of you to have left the house without turning off the gas.
— My god! _______.
| A．So were you | B．So was I | C．So did I | D．So I did |
It looks _______ you are ill. You should go to see the doctor.
| A．as | B．as though | C．which | D．whether |
The great day he looked forward to ______ at last.
| A．coming | B．come | C．came | D．having come |