Thefirststepinthestudyofanylanguageisobservingand____preciselywhathappenswhennativespeakersspeakit.
A、settingoffD
【句意】任何语言学习的第一步都是观察和精确记录本族人说话时所使用的语言。
【难点】set down意为“写下，记录，记下”;set off意为“出发，动身”;set about意为“开始忙碌，着手工作”;set up意为“开办，建立，设立”。
Dr.Yangworked______threedaysago.
Theoldmanlivesinavillage_______,butheneverfeels________.
I_______thatthere_______aneveningpartyonSaturdayevening.
Asthepressure____,theliquidrockisforcedupthroughchannelsintheresistantrocktotheearth’ssurface.
Ihopemyfather____askmeaboutmymarks.
