---Is the notebook Carla’s?---It _____be hers. It has Mary’s name on the cover.
| A．could | B．might | C．must | D．can’t |
My sister has to study ___ her Chinese test ___ Tuesday morning.
| A．at, on | B．on, for | C．for, in | D．for, on |
The doctors said that there was ___ wrong with Jane’s legs, but they could do ___ to help her.
| A．something, nothing | B．anything, something |
| C．nothing, everything | D．everything, something |
.My sister still wants to go to school ____she is ill.
| A．although | B．for | C．but | D．and |
Her best friend likes to do＿＿ same things＿＿she does.
| A．the, with | B．the, as | C．a, to | D．a, as |
David watches TV six hours a day and eats much junk food, but he never exercises. So he is ___.
| A．healthy | B．unhealthy | C．serious | D．smart |