tom hasn't heard from his friend in america for

1.He hasn't heard from his friend _____last month. 27.He hasn’t heard from his friend __________ last month. 这个题怎么做?1.Tom hasn't received a letter from his parents for a he hasn't heard () his uncle for a long time He hasn,t heard from his frend______last month.A.since B.by He hasn't heard from his friend________last month. A.since B The woman hasn't heard from her son for several months . It May hasn't heard from her mother for two months.的同义句. The wife hasn't heard from her husband for a long time ,so s The old man hasn’t heard ____ his son for a long time. This Tom heard from his girl friend 2 days ago.（（同义句） she hasn't heard from him_______ last month.