— Where’s Emma?
—I can’t say for sure where she is, but she _____ be out shopping.
| A．can | B．should | C．must | D．may |
The little girl was unhappy_________her picture-book broken.
| A．at | B．for | C．because of | D．with |
．—Are my clothes too casual?
—No. You can go_________you are.
| A．as | B．what | C．that | D．where |
Please turn down the music, _________our neighbors next door will be disturbed.
| A．and | B．or | C．but | D．so |
In summer, food will go bad if_________in room temperature.
| A．leaving | B．left | C．being left | D．having left |
．QQ, _________you can chat with your friends, makes communication easy.
| A．why | B．which | C．that | D．where |