on(反义词) off
no(同音词) know
desk(近义词) table
take(对应词) give
don't(完全形式) do not
they are(缩写形式) they're
where is(缩写形式) where's
is(复数形式) are
math book(复数形式) math books
are not(缩写形式) aren't
on(反义词) off
no(同音词) know
desk(近义词) table
take(对应词) give
don't(完全形式) do not
they are(缩写形式) they're
where is(缩写形式) where's
is(复数形式) are
math book(复数形式) math books
are not(缩写形式) aren't