Question

【題目】With all his attention （focus）on his experiment, he has no time to spend with his family.

Answer 1

【答案】focused
【解析】句意：由于把注意力全放在實(shí)驗(yàn)上,他沒有時(shí)間陪家人。此處使用了with復(fù)合結(jié)構(gòu)，attention和focus之間是被動(dòng)關(guān)系，所以用過去分詞，短語focus one's attention on，意為“把注意力集中在……上”。因此填focused。