The elderly ______ good care of in public places like supermarkets and airports; they are likely to get lost.
A.can have been taken | B.ought to be taking | C.must be taken | D.should take |
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The elderly ______ good care of in public places like supermarkets and airports; they are likely to get lost.
A.can have been taken | B.ought to be taking | C.must be taken | D.should take |