Xiao Hong worked harder last year. _______ , she still didn’t get high grades.
When I got on the bus,I_____I had left my wallet at home.
I'm sorry I didn’t phone you,but I've been very busy_____ the past couple of weeks.
---Are you going to Tom’s birthday party?---________.I might have to work.
He had his camera ready ____he saw something that would make a good picture.
Look over there--- there’s a very long,winding path _____up to the house.