问题

People often have a strange feeling when _______ the past life, thinking of those they leave behind.

A:looking forward to
B:looking out for
C:looking up to
D:looking back on;

正确答案是：

同类题型

s institute, a medal with nine thousand dollars__________ gains success in science and technology every other year.

Shall we stay at home or_____to the park?

If it had not been for your help, I ____the examination.

Whose pens are there –They are ____. They aren’t ____.

I know nothing about it because my father my mother has told me about it.