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He fell asleep immediately last night; he must ________ (be) very tired.
在资本主义工商业改造中，初级形式的国家资本主义包括了以下形式______。
She had clearly no ________ of doing any work, although she was very well paid.
在新民主主义社会中存在多种经济成分，其中掌握了国家主要经济命脉的是 ______。
古埃及的 "金字塔时代 "是指 ()
所确定的隐函数，则 
.=