When Jane fell off the bike,the other children ___.A.were not able to help laughterB.could not help but laughingC.could not help laughingD.could not help to laugh
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When Jane fell off the bike,the other children ___.A.were not able to help laughterB.could not help but laughingC.could not help laughingD.could not help to laugh
When Jane fell off the bike,the other children ___.
A.were not able to help laughter
B.could not help but laughing
C.could not help laughing
D.could not help to laugh
When Jane fell off the bike,the other children ___.A.were not able to help laughterB.could not help but laughingC.could not help laughingD.could not help to laugh
C. could not help laughing.
第一句不对因为help 和laugh 都是动作动词(action verb)
第二句不对因为but是个clause,需要一个动词(laugh),而laughing是一个participle. Participles是通常当gerunds或者modifiers用.
第四句不对,因为它的意思变成”不能帮助他笑”
C
could not help laughing 忍不住笑
can't help doing sth 忍不住做某事,对某事情不自禁
例如:He can't help falling in love with the pretty girl at the firt sight.
他情不自禁地对那美丽的女孩一见钟情。
当简掉下自行车的时候,另一个小孩______
我觉得应该选B