1.drop (down) from ...
2.to plant,to grow,to cultivate
3.drop onto sth.
3.fall off the bucycle
3.to fall,to stumble,to trip over第5个，用fall，写2个。再造一个句子，他摔倒了，腿受伤了。He had a fall and hurt his leg. He fell and hurt his leg. He injured his leg in a fall.