1.She went to the supermarket and_____what she needed ,she left for the trainstation,light-hearted.

1.She went to the supermarket and_____what she needed ,she left for the trainstation,light-hearted.
A. bought B. buying C.having bought D.to have bought
2.The girl in the last row _____this question,will you?
A. will answer B.answers C.answer D.is aksed to answer
3Chances are high_____Chine and Rassian will make an agreement to build an oil pipeline.
A.when B.where C.which D.that
求英语高手解答!