It _____ long before we _____ the result of the experiments. [ ]

My grandfather is as _______as a yong manand hates sitting around doing nothing all day .

In modem times, girls like beautiful clothes. —Yes, _____ and ______. After all, our life has greatly improved.[ ]

下列文学常识表述有误的一项是

143As is recorded in history, silkworms were first raised by a woman in ______ is today Hebei Province