11: .......................... a beautiful day ! A. It B. What C. How D. Is 12: Tell me ...................... your school, Lan. A. of B. in C. at D. about 13: We have math .................... Tuesday morning. A. in B. at C. on D. of 14: ................ racks have magazines and those have newspapers.. A. This B. That C. These D. There 15: Washington DC is the .................. of the USA. A. city B. capital C. country D. street 16: In .................., we study the world rivers and mountain ranges. A. English B. Physics C. Music D. Geography 17: They talk ............ their class and friends. A. at B. on C. in D. about 18: In Geography, we study different countries and ........ people. A. his B. her C. my D. their 19: The most popular activity at recess is ................ A. noisy B. talking C. basketball D. study.