— Be quiet, the head teacher Mr. Gu is coming.— Don’t worry. It _____ be him. Mr. Gu is much fatter.
I did my homework very ______, so my father looked ______.
The structure of the sentence “She found the trip boring” is ______.
I have more paper clips than_______, but my CDs are fewer than________.
I think _____necessary _______ to take more exercise.
I take exercise every day and I’m _______ than before.