她写完报告，随手把它扔进了垃圾桶。

She finished the report and ___tossed it ___into the bin.

一气之下，他把钥匙扔到了桌子上。

In frustration, he ___tossed his keys ___onto the table.

他一边走一边随意地把包装纸扔掉了。

He carelessly ___tossed the wrapper ___away as he walked.