The teacher told his students that the earth_____ round like a ball.
The teacher told his students that the earth_____ round like a ball.
A、be
B、is
C、had been
D、was
【正确答案】:B
【题目解析】:本题考查时态。句意:老师告诉学生,地球是圆的,就像一个球。“地球是圆的”是一个客观真理,已被科学证实,所以此处应该用be的一般现在时“is”。
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