When the telephone rang, I happened_____
问题:
When the telephone rang, I happened _____ in the kitchen, but when I came over to get it, it rang off. |
A. to cook B. to have cooked C. to be cooking D. having cooked |
When the telephone rang, I happened _____ in the kitchen, but when I came over to get it, it rang off. |
A. to cook B. to have cooked C. to be cooking D. having cooked |