Question

—How many English words have you learnt now?
—We had learnt over 1,500 English words ___________ the end of last week.

A．at

B．in

C．by

D．with

Answer 1

C

試題分析：句意：你們學會了多少英語單詞？到上周末我們已經學了1500多個英語單詞。At the end of在···結束時；in the end最后，終于；by the end of在···結束之前，所以選C。