Excuse me, teacher, can I ask you something about the last class I didn’t quite understand it.–Sure! Please feel _________to ask me anything!

Can I tell Peter about the news—No, I don’t want anyone else to know it.You ______ keep it to yourself.

____ the weather, the basketball match will now be held indoors[ ]

had Sabrina finished her words when Albert said ______, “Don’t be so mean,” pointing a finger of warning at her.

下列各句中，加横线的词语运用正确的一项是（ ）