The current European debt crisis is affecting many countries in the world.—Will it be at least several years __________ everything returns to normal?
.It ________ I arrived at the station ________ I found the train was delayed.
We are leaving for Beijing _____ the morning of August 12th.[ ]
We would like to _______ some money _______ the poor children in our country.
_____ my opinion, her answer is right.[ ]