She tried to phone him,_______there was no answer because he was abroad.A.while B.but谁能说明but不能和because连用的理由？but还不能和什么词连用？

She tried to phone him,_______there was no answer because he was abroad.这个选while还是but呢? she,to,make,tried,best,herself,understood. she tried to hide her feelings.feeling She tried to reach the lowest () branch 一到英语动词语态14.I tried to phone her,but even as I _____ she was leaving the building.A.phoned B.would phoneC.had phoned D.was phoning She tried to phone him,_______there was no answer because he was abroad.A.while B.but谁能说明but不能和because连用的理由？but还不能和什么词连用？ i tried to phone you,but your line was__为什么填occupied而不是connected? i tried to phone you,but your line was__为什么填connected而不是occupied? She tried to stop smoking,and she____(success)怎样填 We tried to help her,but she r______ She tried to avoid answering my questions是什么意思? She tried to needle me into losing my temper. she tried to breaked over her nervousness.填 breaked over I tried to phone him but couldn't get（）him.A.toI tried to phone him but couldn't get（）him.A.to B.through C.to through D.through to she went d__ to look for her mobile phone. I tried( ),but the line was engaged.A.phone B.phoned C.phoning D.to phone这是选C还是D哦?WHY I tried to ___ you many times,but no one answered the phone.(用什么?touch,reach,receive,meet) to over she fell tried skate but she(连词成句）