The police ____ still not sure ______ the young man killed himself or was killed.
| A．is, if | B．is, whether |
| C．are , whether | D．are, that |
Hurry up，you’ll be late for class.
| A．or | B．so | C．and | D．but |
He always has a ______ with him because he enjoys taking photos.
| A．camera | B．dictionary |
| C．clock | D．computer |
The bus was empty， there was ________ on it
| A．somebody | B．anybody |
| C．nobody | D．everybody |
--- Can you sing this song in English? --- Yes， I ______.
| A．can | B．must | C．may | D．need |
—Where is your mother， Jack?
—She is busy ____ a cake. I will have a birthday party tonight.
| A．make | B．made | C．making | D．to make |