【单选题】This question______at our next meeting.
【单选题】____ by his grandparents, Jimmy wasn’t used to living with his parents.
【单选题】Have you ever forgotten__________ your homework to school ? [ ]
【单选题】They are ____ gifts for baby Jesus. [ ]
【单选题】不对称烯烃与卤化氢等极性试剂进行加成反应时,加成反应的产物应遵循( )。
【单选题】结构不对称的烯烃与HBr加成,反应取向遵循( )。
【单选题】Susan often forgets ______ her English book. [ ]