赞题库-背景图

单项选择题

When the students came into the classroom, the teacher ______ on the blackboard.

A． was writing
B． is writing
C． wrote

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热门试题

单项选择题I wanted to know when they ______ come to see me.

A． will
B． would
C． should

单项选择题Look! It' s cloudy and wet. ______ bad weather!

A． What
B． What a
C． How