After her time in hospital, Jenny's parents are afraid she has _____ in her lessons.
We arranged to meet at 8:00, but she never ______.
My English-Chinese dictionary has disappeared. Who_____ have taken it ?
.Li Ming speaks very good English _____ he were an English boy.
You ________ be hungry already— You had lunch only two hours ago!
—Have a cigarette, will you ? —No, thanks. I _________ heavily, but I’ve given it up recently.