课时作业(十二) 必修3 unit 2 healthy eating ⅰ.单项填空 1．(2014·陕西汉中高三模拟)—i can’t thank you enough for the gift you sent me for my birthday the other day. —________. a．that’s right b．don’t mention it c．with pleasure d．nice work 2．(2013·甘肃兰州、靖远名校高三模拟)social practice is an opportunity for students to gain________better understanding of how________society operates. a．the；the b．the；/ c．a；/ d．the；a
