精选优质文档-倾情为你奉上PART III LANGUAGE USAGEThere are twenty sentences in this section. Beneath each sentence there are four options marked A, B, C and D. Choose the one that best completes the sentence or answers the question. Mark hour answers on ANSWER SHEET TWO.11. The Bent Pyramid outside Cairo _ ancient Egypts first attempt to build a smooth-sided pyramid.A. has been believed to have beenB. was believed to beC. is believed to have beenD. is belie
