1.the girl felt b()ill,she needs to go to the hospital at on

The girl felt (badly,非常) ill.She needs to go to the hospital at once.
她感觉很不舒服.需要马上去医院.
at once也可用于过去时.
2.He (ran quickly) to the bus stop but found that the bus was too full.
他快速朝公交车跑去,但发现这辆车人太满了.
用过去式ran是对的.后面的was也提示了时态.
3.Don't leave any rubbishes behind when you go out,
当你外出时,不要留下任何垃圾.
leave sth behind,这个词组意思是把某物留下、丢弃.
再问： he (ran quickly) to the bus stop but found that the bus was too full.根据所给的解释用合适的单词填空。括号内的是解释，根据这个解释填单词。
再答： 第二题填 rushed，冲，奔的意思。