When spirited by the teacher,the discussion began to among the st_英语解答

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

人气：450 ℃　时间：2020-06-11 18:37:55

解答

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