s proper diet, exercise is one of the key ___________of a healthy lifestyle.

That day I saw Mary grab the cat by ______ tail — which was _____ rather stupid thing to do.

All her time _________ experiments, she has no time for entertainment.

Samuel survived when the car_______he was a passenger in turned off the road and hit a tree

We could have asked Mr Zhang for help Heis caring and considerate—– I_______that A long time _______