When spirited by the teacher,the discussion began to among the students.A.sprang up; B.jump up;

分类: 作业答案 • 2022-06-19 16:17:02

问题描述：

When spirited by the teacher,the discussion began to among the students.A.sprang up; B.jump up;
on fire; D.spring up

答

D. spring up
began tospring up出现；涌现；萌芽
不定式,后面要跟原形.
当被老师鼓励, 讨论就在同学们之间出现了.
be on fire
adv. 着火；起火；在兴头上；非常激动
jump up跳起来；上投断层