问题
It’s a long time________I saw you last.—Yes, and what a pity it is now that it will be a long time________we see each other again.[ ]
A: before; since
B: sinceIMG style="WIDTH: 1px; HEIGHT: 1px; VERTI
C: since; before
D: when; before
B: sinceIMG style="WIDTH: 1px; HEIGHT: 1px; VERTI
C: since; before
D: when; before
正确答案是：
同类题型
Excuse me! You can’t smoke here. Look at the sign. It says “NO SMOKING”.—Sorry， I _______ it.
Everyone is supposed_____a seat belt in the car.
We should do our best to prevent the river from __________.
It is everybody’s desire that everyeffort___________ to reduce the pollution in our city
When college students _____ future employment, they often think of status, income, and prestige.