Mr. Wu always spends a lot of time explaining things to us. He is so _______.

下列词语中加点的字，读音全都正确的一组是（ ）

Can you imagine a person _______ in theinstitutional revolution for doing nothing wrong

When will they _______ the bus stop — In half an hour.

scarf is nice, but the price is a little bithigh— _______, but if you want good quality, you have topay more