Watch your step,____you might fall into the water.
A. or
B. and
C. unless
D. but
_____ the days went on, the situation there got worse.
A. With
B. Since
C. Because
D. As
I’ll come with you ______ we don’t stay late. I need to be up early tomorrow.
A. even if
B. as long as
C. so that
D. now that
Is this the third time that you ________ late?
A. have been
B. am
C. was
D. had been