When we watched the monkey's clownish behavior, we could not () laughing.
A: break out
B: repress
C: help
D: burst into
                    A: break out
B: repress
C: help
D: burst into
举一反三
- When we watched the clown performing, we could not ______ laughing. A: break out B: repress C: help D: burst into
 - 汤姆的故事很滑稽,我们都忍不住笑了起来. A: Tom’s story was so funny that we could not keep (ourselves) from laughing. B: Tom’s story was such funny that we could not laugh. C: Tom’s story was such funny that we could not suffer from laughing. D: Tom’s story is such funny and we could not get from laughing.
 - At his jokes we could not help but () A: laugh B: laughing C: laughed D: laughter
 - 12. We couldn’t help ______ when we heard the funny story. A: laugh B: to laugh C: laughed D: laughing
 - We couldn’t<br/>help ______ when we heard the funny story. A: laugh B: to<br/>laugh C: laughed D: laughing
 
