你可能感兴趣的试题
can cure all kinds of diseases. may cure some of today's most serious diseases. are no longer useful for modern men. are too cheap to be useful.
Literacy became useful and necessary for the keeping of records by officials Political theories called for an attack upon illiteracy Literacy lay on a lower point because of the breakdown of the society Citizens got an amount of education available
That’s It’s This is You are
This is That's You are It's
a; a a; the an; the the; the
grouping children according to ability at an early age. educating children in different ways. measuring children’s academic attainment. selecting children for special secondary education.
that; learning it; to learn that’s; to learn it’s; learn
useful necessary similar simple
possible necessary useful important
This; have That; to have It’s; have It’s; to have
such useful information so useful an information so useful information such a useful information
necessary useful important possible
necessary helpful important useful
necessary urgent useful impossible
An animal’s skin is not really useful to us. Our purposes can be better served. Natural materials are limited. It is difficult to copy natur
湘公网安备 43130202000226号