She broke my bicycle lamp_______; that was why Jane was to blame.

As the idea of low­carbon life is now ________ accepted, more and more people   travel by public transport.

The monitor said that the learning method he used         improved his maths.

—Jane, I will graduate this June．What advice will you give me?—Suggest you go       you are most needed and you'll benefit a lot from it．

Twenty million years ago, Idoho was not the dry place as it is now. ______, it was warm and damp, covered with thick forests.