A. jump B. the number of C. the Great Wall D. at a time A. heady B. January C. system D. wheelchair A. pizza B. palace C. green D. sneeze A. no talking B. quite C. October D. devotion A. diving B. size C. photography D. in A. ride a bike B. pen pal C. item D. make a bet A. loud B. severe C. us D. machine A. famous B. connect to C. lines D. inrush A. strawberry B. weapon C. pencil box D. native A. spend on B. ascertain C. time D. fast