—It’s so late. Our son ___ be back!—Don’t worry. I dare say he ___ have some extra work to do.
The reason _____ he gave for not coming to your birthday party is ______ his mother was ill.
The man will have to wait all day ______ the doctor works faster.
—Your sister nearly _____ all her spare time to her study during the three years. —That's right, or she _____ the first place in her school in the College Entrance Examination.
He always works hard, but__________, he didn't pass the exam.
The book_______well.