He asked Mary whether she had passed the exam________

Let’s go to Kunming for vacation. It’s_______ too hot_______ ______ too cold there.

I took mathematics and physics because I think that _______very important for me to make furtherresearch in this field.[ ]

The new law says that people_______ drive after drinking wine.

Did you see Anna after class— I saw her leave the classroom, but I didn’t notice __________after that.