选出下列图片的首字母。
_____ they have a picnic tomorrow? A Did B Are C Will
We were hungry and thirsty. we bought a watermelon. A. and B. so C. then
Shanghai is a famous city. My cousin Xiaohu there. A. lives in B. live in C. lives
Sam fell his bike. A. of B. on C. off
Iwill play football____ Saturday. A .in B .on C. at