赞题库-背景图

单项选择题

He______ into the office building when the fire bell rang.

A． goes
B． has gone
C． was going

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热门试题

单项选择题Lily went to see her grandpa yesterday ______he was ill.

A． if
B． though
C． because

单项选择题A talk on modern music______ next Monday.

A． will be given
B． will give
C． is given