short of clean safe drinkingwater, which is found to be the ______ in many third world countries.

st decade of the 21st century________ the rapid, steady development of China in various fields.

Bob isn’t feeling very well He hascaught a cold —Everybody seems to have ________ becauseof the sudden change of the weather

My friends are all . I don’t have English friends .

Painting from still images leads to a loss of sensitivity, which is _____to an artist. [ ]