系动词选择题一则Their plan ____ to be a perfect one. A. proved B. wa

一：Their plan ____ to be a perfect one.A.proved B.was proved选 His plan ____to be a perfect one.A proved B.was proved C. is plan A have proved to be a failure. 三道英语选择题求解答1.He proved himself a ____ successor to the former 英语选择题The young teacher has ____ competent.A） been proved to 英语翻译Rose's sprain proved to be a serious one,owing to neglec The group ____ one of its members to be their spokesman.选项:a His theory___to be true. A.proved B.was proved C.is proved D The years he spent in the countryside proved to be a(an)____ We need to _____ a plan for the coming vacation.A.think B.wa proved to be,关于动词ed问题 英语选择题： An eraser is made of ____ ? A. rubber B. cotton C. wa