.— I hear you__________at Smith’s— Yes, I__________there for about three months

Li Ming, can you pass the final examination tomorrow—No problem._______

Jack flew to Chicago last night and then took some passengers from there to Dallas.——Yeah, but he couldn’t _____ the airport because it was snowing in Dallas.

Washington, a state in the US, was named ______one of the greatest American presidents.

Though this question is very difficult, if you ________ trying you will find the right answer.[ ]