多项选择题
()succeed in everything we do.
A. Only by working hard can we B. By only working hard we can C. Only we can by working hard D. Only by working hard we can
多项选择题 It is high time that such a practice ()an end to.
多项选择题 A dictionary of that size has ()words than you need and it's not so handy.
多项选择题 The man who came to help us is a friend of ()
