No one helped me . I did it all ________ myself .
A.for B.by C.from D.to
Tom was about to close the window ______ his attention was caught by a bird.
A.when B.if C.and D.till
They ________have arrived at lunchtime but their flight was put off.
A.will B.can C.must D.should
—Everybody is going to climb the mountain. Can I go too, mom?
—________ Wait till you are old enough, dear.
A.Will you? B.Why not? C.I hope so. D.I’m afraid not.
Mrs. White showed her student some old maps ________from the library.
A.to borrow B.to be borrowed C.borrowed D.borrowing
Mary, I ________John of his promise to help you.
A.told B.reminded C.warned D.advised
