I fall ___ asleep.为什么要填fast 而不是quickly

I fall ___ asleep.为什么要填fast 而不是quickly I can't fall asleep. I----------just-----------(fall)asleep when I heard someone knocking at the door为什么是was falling啊,fall asleep不是短暂性动词吗? I can not fall asleep I am a___all night asleep sleepy fall asleep feel asleep 区别 Missing your smiling face,I can't fall asleep.smile I _____just______(fall)asleep when he knoched on the door I am excited fall asleep.am ,excited后有横线 i found it difficult __________( fall )asleep last night please wake up me when I fall asleep改错 I was too cxcited to fall asleep.英译汉 This city wakes up,I fall asleep with love 如题This city wakes up,I fall asleep with love fall asleep 可以fall sleep 1 fall asleep造句 fall asleep的同义词 fall asleep是什么意思 fall asleep in no fall back asleep