My favourite ______ (food) are hamburgers. food是个不可数名词
My favourite ______ (food) are hamburgers. food是个不可数名词,为什么 be 动词用 are?如果用了is那后面的hamburgers 用单数还是用复数?是否是题目出错了?请说明理由. ----Is Kitty happy ______ her picture?----Yes,she is . A. with B. about C.of 是否选择B?也请说明理由. 不好意思,标题打错了.不是又道.