The students _______ their homework carefully when the teacher walked into the classroom quietly.
| A．do | B．did |
| C．are doing | D．were doing |
—This is Kate’s coat.—Please
A. give it to her B. give to her C. give it
—she look like?—She has small eyes and a wide mouth.
A. what’s B. What does C. What do.
—Are these buses? —Yes,
A. it isB .they are C. these are.
—Thank you very much.—
A. That’s OK. B. Good bye. C. Thanks.
—are you?—I’m thirteen years old.
A. who B. where C. How old