he would call his parents up only if his money.A.was run out of B.used up C.ran out D.has used up是不是没有正确答案,
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A.was run out of/C.ran out
这两个答案都正确.
句意:他只在钱用完了时才会给父母打电话.
run out of为及物短语.因此可用被动语态.
run out 为不及物短语.没有被动语态.
use up 也是及物短语.必须用被动语态.
sth.run out =sth.be run out of = sth.be used up
His money was used up .
=His money was run out of .
=His money ran out .