The limits of a person’s intelligence,generally speaking,are fixed at birth,but________he reaches these limits will depend on his environment.(2012·安徽,27)
—Where ____ Margaret have put the empty bottles? —She ______ them away. They must be somewhere.
—Why aren’t they here yet? —They the bus.
—Has your father got up? —Sorry, I’m not sure. He __________ got up. Please go and see for yourself.
-You must say sorry to Mary, Jack. -Why ________ I say sorry to her? It’s her who hurt me first.
—Why didn’t you put your cellphone in your overcoat pocket? —I, but I was afraid it would be stolen.