At that time, the calculator was a great ______ / nvenn /.

In time of serious accidents, ________ we know some basic things about first aid, we can save lives

At the back of the old temple__________ twelve huge stone statues together with __________ pagoda.

Are you all right ______

fter our country’s entry into WTO,our agricultural products, such as ______ and so on are facing more and morechallenge.