He is______ outstanding boy. He studies in______ universitythat I like very much.

The police set out in search of other children who might ______ Guizhou’s dustbins after 5 deaths for warmth.

Did you pass the exam? —Yes, but I can’t pass it _____ the teacher’s help. [ ]

I don’t know _________.

Can you understand me? —Sorry. I can _________ understand what you’ve said.