The clever boy made a hole in the wall, _______ he could see..
The clever boy made a hole in the wall, _______ he could see _____ was going on inside house. A.which; whatB.through which; whatC.through that; whatD.what; that
Asia has achieved more in controlling the bird flu than Euro..
Asia has achieved more in controlling the bird flu than Europe in the past few years, _______ the number of people infected with the virus is going up sharply.A.whenB.thatC.so thatD.where