问题

Don’t press the red button ,_______you will set off the alarm
A:but
B:or
C:so
D:and
B:or
C:so
D:and
正确答案是:
同类题型
Mary is going on a diet . as she has put on _______recently.
The president spoke at the meeting for nearly an hour without _______ his notes.
__ the course very difficult, she decided to move to a lower level.
A new shop for a week nearby. Let’s have a look there.—Good idea. But it doesn’t on Mondays.