Gravel flow down between tennis ball prints until the jug tightly. He turned to ask another student "jug is full, or the?' students look at one of the rooms before they turn to answer ' ... ' is full.
Gravel sliding down to the tight compression tennis ball pitcher. He turned to another student asked , "Jar full? ' Students looking for a while before turning to answer 'full ...'.
Gravel fluid into the compression between the ball tightly pitcher, he turned to ask student . "เหยือกเต็ม? Students looking for a while? ' before turning to answer' full... '