all Р 18.While watching television, ______.Р A.the telephone rang B.we heard the telephone ring Р C.we heard the telephone rang D.the telephone was rung Р 19.“Do you mind______?”Р “Go ahead. I don’t mind.”Р A.turning on the fan B.I turn on the fan Р C.if I turn on the fan D.to turn on the fan Р 20.When solid changes to liquid, it______heat from all substances near it and this reduces the temperature surrounding it.Р A.takes in B.takes on C.takes off D.takes downР 21.The department chairman______with thanks the assistance of all the faculty members for getting the celebration ready in a short time.Р A.expresses B.declares C.announces D.acknowledges Р 22.The manager threw a party______the group puter experts from the United States.Р A.in honor of B.in favor of Р C.in e of D.in celebration of
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