She couldn’t help (laugh)（）at the strange coat which her friend was wearing.
举一反三
- She couldn't help ______ when she heard the news. A: laugh B: to laugh C: laughing
- She couldn’t help __________ (laugh) when she heard that interesting story.
- She couldn’t help (laugh)（）when she saw his haircut.
- She couldn’t help _____ at his jokes. A: laugh B: to laugh C: laughing D: laughter
- The story was so funny that we _________. A: couldn't help laugh B: can't but laugh C: couldn't help laughing D: couldn't help but to