If you’ve ever played with magnets, you know that opposite poles attract and like poles ______ each other.

单选题

If you’ve ever played with magnets, you know that opposite poles attract and like poles ______ each other.

答案解析

单选题

If you live in the country or have ever visited there, ____ are that you have heard birds singing to welcome the new day.

答案解析

问答题

I’ve ________ a lot about you.

答案解析