单选题 · He finally managed to ______ the fear of public speaking after months of practice. (　　)

单选题 · Her explanation sounded reasonable, but it failed to fully ______ his doubts. (　　)

单选题 · Because of the bad sanitary condition, many kinds of disease began to ______ in that area after the flood. (　　)

单选题 · The teacher asked students to ______ their homework before the weekend. (　　)

单选题 · He finally ______ his ambition to save enough money to buy a big house before retirement. (　　)

单选题 · The ______ groups will get more support from government to help them adopt a healthier lifestyle. (　　)

单选题 · With passion for music, he ______ to be a singer and perform on a stage in the future. (　　)

单选题 · The children are ______ as special needs group by the teacher because they have behavior disorder, which has bad effect on them. (　　)

单选题 · The new policy aims to ______ the quality of public services in the city. (　　)