_______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。
He found _______ difficult to study maths.
Neither English nor Chinese ________ difficult to learn.
This is ________ good reading habits are not only an important study skill for the student, but also an important life skill for anyone.
________hehasmanyfriends,heisoftenfeelinglonely.
The Western Council for Travel Research in _______ employed the term visitor.
