A. in; as; with B. to; as; for C. among ; with ; in D. by ; for; because of
单项选择题Although many measures （），the world's economy is still going down．
A．were taken B．have been taken C．will be taken D．are taken
单项选择题My school is about twenty （）walk from here.
A. minute B. minutes' C. minute's D. minutes
