he fell on the rack while ——[climb]alone in the mountains应该填什么

he fell on the rack while ——[climb]alone in the mountains应该填什么 He got a k______ on the head when he fell. friction force on the rack Fr------------------wheel force on the rack在工程机械上是什么意思? To my _____,he fell down on the ground.(amuse) put the towel on the towel rack的意思 The little boy＿＿on the floor and ＿＿the vase he was carrying.a.dropped.droppedb.fell.fellc.fell.droppedd.dropped.fell He fell off the bike on his way home yesterday.L__ ,he didn't hurt badly he made a mark on the boat when the sword fell into the 急用! fell asleep on the sofa fell 什么on the ride off-the-rack The runner from Class One fell down ,but he quickly got up and went on running. 翻译:one little monkey jumped on the bed.he fell off and bumped his head. Tom often surfs on the internet,no()he fell far behin... The runner fell( )he quickiy got up and went on running. He ---- his wallet on the ground 为什么用dropped 而不用fell who is o____ the activity the little child l____ on the grass when he fell asleep 1.who is o____ the activity 2.the little child l____ on the grass when he fell asleep He fell into the water,much to the entertainment of the on lookers帮忙翻译下,拜托了