“补足语”造句

(宾语补足语)我听到妹妹在外面用英文唱那首歌.
My sister was heard singing that song in English outside.

这数学家总是锁着门在书房工作.(这句是介词宾语的补足语.)
The mathematician always works in his study with the door locked.

(作宾语补足语)我们在努力使环境变得更干净、更安全.
We're making every effort to make our environment much cleaner and safer.

• #补足语