问题

Our teacher always tells us that lessons can be learned to face the future, ____ history can’t be changed.

A:if
B:so
C:because
D:though;

正确答案是：

同类题型

One of the customs officers, who was watching the arrivals very ________, saw feathers ________ from under a woman’s coat

Catherine, I have cleaned the room for you.—Thanks. You_______ it. I could manage it myself.

Do you know the _____ between these two words

Do you know how long ________ —-I’m sorry I don’t know.

t comes to __ in public, no one can match him.