超聲潔牙操作中錯誤的是
A、開動電源后先調節功率旋鈕C
暫無解析
Theyareeager_______abroad.
Iwasshockedbythenumberofpeoplewhoseemedtohavenothingbettertodowiththeirtimethan______toknowfishbetter.
重寫句子：Alanpassedthetest.Alanhadstudiedhard.Alanhadunderstoodthematerial.(complexsentence)
AtanyrateIdidnotsucceed_______myselfunderstoodbyyou.
YouarethemostdirectyoungwomanIhaveever_______.
