—Dad, must we stop and wait when the light turns yellow?—I’m afraid we . It’s necessary to obey the traffic rules.A. need B. must C. may
He thought difficult for the students to pass the exam.
Could you please the children with the snake?
—Where is John? —He be reading books in the library, but I’m not sure.
Of the two shirts,I’d choose one to save some money for a book.
— bad weather! It makes me down. —Yes. rainy morning!