问题

It is difficult for us to learn a lesson in life __________ we’ve actually had that lesson.
A:until
B:after
C:since
D:when
B:after
C:since
D:when
正确答案是:
同类题型
Are you _______ me of lying to my parents?— I’m sure you did
Can you watch TV ________ school nights—Yes, but I have to be _______ bed ________ten o’clock.
The word “together” sounds as________.
Your support is important to our work. ________ you can do helps.
s wrong with your coat — Just now when I wanted to get off the bus , the man nextto me on it