共50条信息
—— ______ you got to know I traveled to the USA?
——Through one of your colleagues.
A．Where it was that B．When it was that C．How was it that D．Why was it that
It was in the small house _______ was built with stone by his father _______ he spent his childhood.
A．which , that B．that , which C．which , which D．that ,where
It was not until the end of last year _____ the economy in our country began to develop rapidly.
A．when B．that C．which D．in which
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