第四章The old ___ well looked after by the government in China.
has been
are
was
答案:are
There ___ a knife and fork on the table.
seem to be
seems
is seeming to beEither you or I ___ going to the teacher's office after class.
is
will
areMost of his spare time ___ spent in reading.
were
have been
areMr. Smith, together with his children, ___ arrived.
have
are
has
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