A. go to a summer camp B. thumb C. fingernail D. yogurt A. revolution B. back to back C. not until D. Sweden A. lead to B. foggy C. fourth D. add up A. incompetent B. butterfly C. make up one's mind D. manage to do A. used to B. twenty-five C. in the evening D. in addition A. teeth B. ought to C. agree with D. eliminate A. fit in B. keyword C. effort D. vary from to A. from time to time B. all the time C. sore D. congratulations A. go to the cinema B. cheeseburger C. Traveling D. pocket money A. accommodation B. microscope C. themselves D. say to oneself