As is recorded in history, silkworms(蚕)were first raised by a woman in _________ is today Hebei Province.
Your hand is dirty. It needs ____________.
I couldn’t do my homework with all that noise .
Would you please tell me the quickest way English well?
in a white uniform, he looks more like a cook than a doctor.
His sister left home in 1998,and_______ since .