How did it _____ that you were ten minutes late for class

158. It is said in the book that ThomasEdison _____ the world leading inventor for about sixty years.

Joanna is no less hardworking than her twin sister, _______ she failed in the final exam

We did not see him at the lecture yesterday． — You _______ him, since I went to an international conference with him．

The Food-for-Life Programme has helped people by sending emergency food aid to countries during times of trouble, the Food-for-Growth Programme which targets people at risk.