You can't imagine that a top student ______ have failed in the college entrance examination.
Her forehead _____ hot. I’m afraid she is ill.
“Do you like the material?” “Yes, it _____ very soft.”
—Would you like to come to dinner tonight? —I’d like to, ___ I’m too busy.
We were just about ready to leave _____ it started to snow.
_____ the government agrees to give extra money , the theatre will have to close.