We used to see each other ____ but haven't heard from him since last year.(2012 .辽宁)
His being late for the performance __________ a complete failure
It’s already 10 o’clock. I wonder how it ______ that she was two hours late on such a short trip.
The program has made great progress _____ little support from the government.
Once you _____ working with the professor, you will find he is not as tough as expected.
With my money ______, I went back home.