－“How old are you?”

－“I beg your pardon?”

－I asked how old ________.

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She told me this morning that she ________ only 22 years old.

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I have already told you ________ I don't want to go.

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She will certainly ask you if your operation ________ successful.

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She wants to know if he ________ in time.

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One way to understand thousands of new words is to gain ________ good knowledge of basic word formation.

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I don't know if he ________; but what does it matter if he ________?

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It's strange that she often sleeps with the windows ________.

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The bell ________ the end of the period rang, ________ our heated discussion.

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A．indicating; interrupting

B．indicated; interrupting

C．indicating; interrupted

D．indicated; interrupted

Many great men have risen from poverty, Lincoln and Edison, ________.

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