—I can't help but feel very ________ about the matter. Linda, my dear, tell me the truth.—Oh, Mum, there is nothing between Tom and me.

In 1969 ____took his biggest step away from the earth. Americans first walked on the moon.This is certainly just a ____thought.

I __________ the names of plants.

The little girl is walking along the beach, _____, occasionally bending down to pick up a beautiful seashell． 

My sister is _______ about what she eats, otherwise she would not be so thin.