Look, the set of keys  _         _  on the teacher's desk.

—What do you think of my shirt? It _______ cotton.—I looks nice on you.

―There is too much salt in the Chinese diet.―Right. The WHO says only 1.5 grams of salt ______ for each man every day.

—What do you usually eat in the afternoon?—Oranges.

----How _____ your weekend? -----It was great.