没有人声称对昨天的炸弹袭击负责。

No one has ___claimed ___responsibility for yesterday's bomb attack.

她总是试图为团队成就邀功。

She always tries to ___claim ___credit for team achievements.

这位政治家声称在改善经济方面取得了成功。

The politician ___claimed ___success in improving the economy.