While we were running on the playground, Jack suddenly stopped ______ and lay on the ground, so we all stopped ______ what was wrong with him.

(单选题)He has harvested so many corns, and ______ he bought a lot t (单选题)I ______ use a clock to wake me up because at six o’clock ea (单选题)When the leading lady dropped out of the movie, the producer (单选题)______ Tianjin with Dalian, and you will find that Dalian is (单选题)100℃ is the temperature ______ which water will boil. (单选题)—I’m sorry for being late, I should have phoned you earlier. (单选题)Mike and his brother, who ______ their homework, were allowe (单选题)The young dancers looked so charming in their beautiful clot (单选题)You can ask anyone for help. ______ here is willing to lend (单选题)It is generally accepted that ______ boy must learn to stand