I spent most of my money in the first week and________ had very little to eat by the end of the holiday

The Great Wall is a place ______ almost alltourists would like to visit when they come to Beijing．

He transplanted the young tree to the park ____it was the best time for it .

to be here at 8 o’clock.

________ time at Beijing Normal University, I am very impressed with the quality of the teachers and students.