[ 11·株洲中考]—Let’s go dancing tonight. —Sorry, I ________. I have to go to my guitar lesson. A. mustn’t B. needn’t C. can’t
I _________ my pen when I _____________ in the park.
It ___________ heavily when I left school yesterday.
I told myself to stay ____________ .
The little girl is too frightened ____________ a word.
The young man is __________ to carry the heavy box.