The doctor told me to eat more_______ because it's good for my health.
-The child is only 4 years old, he is not old enough to___ himself.
-How is everything going, Jack?-________________
-Did you tell Li Lei about the news?-Oh, sorry. I forgot. Would you please pass____ him.
-Last semester, he had a hard time______ English.
-Our dining hall is always ________________ teachers and students at noon.