简介： 1. The school trip is ¬_____ February27 th and 28th . A. / B. in C. at D. of 2. ---_____ are the socks? ---They are $10. A. How many B. What C. How much D. How 3. Come and have a look ! We have T-shirt _____ red and yellow _____ only ￥5. A. in, in B. in...