He fell down.He was running.(连成一句) He fell down____running.填哪个词,at ,when,while.请解释选择的答案的理由,尤其when和while,

Jack fell down when he was playing basketball.Jack fell down __________ _________basketball.同义句 He fell down dead.为什么dead 可以修饰fell down? jim fell down and hurt_____{he} He was shot and fell down(died;dying;dead;death)选哪个?分析 He fell down from the stage,but it was not serious? 填空：he fell down when he crossed _______the road. He was ____ tried ____ he fell asleep as soon as he lay down.A.too,to B.so,that C.such,thatD.enough,that The old man walked slowly.S____ he fell down. moved a little far,he fell down.什么意思 To my _____,he fell down on the ground.(amuse) he fell down when palying soccer(改为一般疑问句） He fell down.He was running.(连成一句) He fell down____running.填哪个词,at ,when,while.请解释选择的答案的理由,尤其when和while, he had to admit it was where he fell down ——his competitor made itA.whoB.thatC.at whichD.where He was having a very hard time then as he lost his job and his marriage fell ______.A.down B.apart C.off D.away He hurt ______(him) because he fell down from his bike bike jist now怎么填? When he rode his bike faster than ＿(unusual),he fell down right back down原句是but his legs were wobbly ,and he fell right back down. .he fell off the bike and was ()(bad,badly)hurt