A．calling onB．calling forC．calling offD．calling in

【C4】______A．calling offB．calling forC．calling uponD．calling up

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【C10】A．call onB．wait forC．send forD．run into

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He is______an important customer now and he will be back tonight.A．calling onB．calling upC

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55._________A..calling onB..calling forC. calling

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53._________A.call in B.call offC.call up D.call

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Women all over the world are ______ equal pay for equal jobs.A.calling onB.calling aboutC.

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It is well known that teaching is a job ______ enough patience.A.calling onB.calling offC.

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