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

The coming of the railways in the 1830s ________our social and economic life.[ ]

I’m familiar with you because your name ________in our yesterday’s conversation many times.

I remember __ to the seaside by my unclewhen I was a child We forgot __ an overcoat and I felt very cold

Tom’s father, as well as his brothers, ________ in New York for a few more days.[ ]