3、atyouneedmoretimetothinkitover.答案: obvious7.Togetthejobdone,oneshouldbe________(精力充沛)andhardworking.答案: energetic8.Iusedto________(钦佩)himasatruescientistandhardworker.答案: admire9.You’dbetter________(道歉)toMaryforhavingkeptherwaitingforhoursoutside.答案: a