【正文】
B B 。根據(jù)句意 判斷從句要用被動(dòng)語態(tài)。 :在美國除非你被邀請(qǐng) ,不然的話 ,你不應(yīng)該去參加家庭聚會(huì)。to ( ) are not supposed to go to a family party unless you . to in the US. not invited invited be invited 易錯(cuò)提醒 : :無論何時(shí)我做不成某事時(shí) ,我媽媽都會(huì) 我再試一次。to 。 Ⅰ. 用所給詞的適當(dāng)形式填空 (learn) as a foreign language in most of Chinese schools. dogs (take) good care of by my mother. ,my homework (not do) in the afternoon. 4. the flowers