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

I fall ______ with the biggest toy rabbit as my pillow.

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A. sleep B. asleep C. to sleep D. sleeping

1.As a heavy sleeper,I fall﹎﹎asleep A.quick B.fast C.quickly D.soon
2.He is their only child.Their first baby was born﹎﹎.A.dead B.died C.dying D.with death 3.My work is ﹎﹎ done.I will be right with you.A.hour after hour B.now and then C.more or less D.more and more 4.How was your visit to Hainan?It was great.We visited some friends and spent the＿＿days at the seaside.A.few last sunny B.last few sunny C.last sunny few D.few sunny last