Question

______Hepburn’s acting years, she insisted _______ working closely with UNICEF.

A．Though, to

B．Throughout, to

C．Throughout, on

D．Throughout, onto

Answer 1

C

试题分析：though 尽管；throughout贯穿；to到；on在……上面；onto在……之上。句意：在赫本的演艺整个年代，他坚持和儿童基金会紧密合作。Insist on doing 坚持做，故选C。
点评：熟记代词的基本含义及习惯用法，是解答此题的基础。然后根据语义选择合适的选项。