_______inthought,healmostranintothecarinfrontofhim.
A、LosingC
这里分词短语的意义应为“ As he was lost in thought”，意为“由于陷入沉思”，这儿填入过去分词短语，表示一种状态，用作原因状语。
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.
He found _______ difficult to study maths.
PoorspeakerofEnglishthoughhewasatthetime,hestillmanagedtomakehimself________.
Asforfamilyeducation,parentsareencouragedtorelyon________ratherthanpunishment.
Which of the following is not an international visitor?
