46 He hesitated about the brake, otherwise the accident ______

This kind of paper was as soft and light as silk but ______ expensive.

When Tim returned home ten years later, we found he changed so much that we could hardly _____ him. [ ]

,____ country in Central America, isthe only place in the world ____ someone can see the sun rise on the PacificOcean and set on the Atlantic.

More and more students _________ too muchhomework and they are really tired of it.