a. By the time the so-called “ Cultural Revolution ” came to an end, our economy was on the 1 of collapse. b. I could see that she was on the 2 of tears. c. If you cross this bridge, you will be crossing the 3 of our province. d. Our farm extends as far as the 4 of that wood. e. The tea cup is almost filled to the 1 . f. The 6 of these bicycle wheels are of plastic rather than stainless steel. g. The baby has crawled to the 7 of the bed by the time I returned.