—I have a toothache.
—You should _______.
| A．drink lots of water | B．take a rest |
| C．see a dentist | D．have a good sleep |
—Listen！She ________an English song．
| A．sings | B．is singing |
| C．sing | D．was singing |
——Another cup of tea? —No, thanks． I________leave now． Lucy is waiting for me．
| A．can | B．may | C．must | D．need |
—I play pingpong ________thanyou but you run faster than I．
| A．fine | B．good | C．well | D．better |
——________did you finish your homework?—I finished it at 9:00 last night．
| A．Where | B．Why | C．When | D．What |
—She’s very clever________not very hard-working．
| A．and | B．or | C．for | D．but |