itor-in chief asked me to write an article forhim, ______ about AIDS patients in China.

These reference books donated by a non-profitable organization are available for ____ wants to have it.

Dr. Peter Spence, _______ headmaster of the school, told us, “_______fifth of students here go on to study at Oxford and Cambridge.”

Ninety-six point five percent of the water on the earth ______ sea water.

When I reached home, my husband was lying on the floor, _____ the kids with toys. [ ]