The president of the USA around the Palace Museum last month.

While in London，we paid a visit to the hospital founded ________ Florence Nightingale

by keeping down costs will Power Data hold its advantage over othercompanies

33. It is necessary that whoever ______ recently visited the country ______ this kind of test.

13About 90 percent of the equipment presented by the administration，as well as the facilities ofour own，______made good use of in teaching