—I saw Jane on the street just now.—It ______ be her. She went back to Canada yesterday.A. can’t B. mustn’t C. needn’t
I will go to the teacher for ________ about my English learning.
She is ready to help people ________.
My best friend Jack looks happy, and he always ________ a smile ________ his face.
I want to sing around the world __________.
Today you look ___________ better.