Abaucus is a ______ machine to do ______,that is,abacus is a
Abaucus is a ______ machine to do ______,that is,abacus is a
The engine is to a machine ______ the heart is to a man.A.wh
Engine is to a machine that heart is to a person.这句话哪里错了
This machine is ______(easy to undrestand) to ues.
that is _____ a doctor's life is ______
______ is what she wants to know.a.Who to do it b.Whom to do
The shirt is so dirty that is really need ______.A.wash b.to
______ is important to a teacher is that he must love his jo
This river is so big that it is impossible to build a ______
It is easy to do the repair.______ you need is a hammer and
It is ______ that we’d like to go out for a walk. A. a lovel
Who is that boy?______.A.He is a student.B.He is a worker.C.