______ he became seriously ill, he still went on working.
—Are you relaxing yourself here ?—Yes. It is _______to walk slowly along the river.
— Is Jack _______ than Tom?—No, Tom likes talking and has many friends.
— You look so tired, Sue.— I _____ slept last night. I feel very terrible now.
— Whose room is bigger, Li Pin’s or ______?—His room. But my room is nicer!
—Is _______ here ?—Bob is not here.