填空题 The pharmacist can assist you with the treatment of common ____.

填空题 With his talent and perseverance, he went ____ in the highly competitive field of technology.

填空题 The unexpected question during the presentation ____ the speaker, who fumbled for words.

填空题 Much advance ____ was given to the talks.

填空题 This technique brings life to instruction and eases ____ of knowledge.

填空题 She ____ acknowledged his presence.

填空题 The drinking water has become ____ with lead（铅）.

填空题 The promotion he had been promised failed to ____.

填空题 The volcano erupted ____, sending ash clouds across three countries and disrupting air travel for weeks.