you seen ______ workers passby— Yes, I’ve seen ____ them.

Optimism had been growing ________ the weekend meeting of European Union leaders in Brussels would come up with a substantial plan for dealing with the debt crisis.[ ]

The children _____lost in the woods; otherwise, they would have been at the lakeside camp as scheduled.

Did you look up the time of trains to Shanghai?—Yes，the early train is ________ to leave at 5：30 am

Are you going to Tibet for vacation-Yes.I want you to ________me with some information about it.