Miss Green’s new dress looks smart. —I wonder what it was of.

Some frightening pets _________ be kept home so that they won’t hurt others.

What does your mother do after dinner, Ellen?—She alwaysa walk. Look! Shea walk with my father now.

Is this your e-book? —No, ________ is on the teacher’s desk.

“Simon wants to know if the Class 3 students___ hiking tomorrow.”“Yes, but if it _____ , they’ll visit the museum instead.”