【题目】This music brought us back to the days _________ we played happily together near the river.

【题目】Before you send a postcard, you must buy a ________.

【题目】If Dave has free time, he __________ time visiting the colorful Palace Museum at night.

【题目】We are going to have ________ picnic at________top of the hill tomorrow.

【题目】The two sessions (两会)___________ last week. They are important meetings for our country.

【题目】Changchun is a beautiful city. _________ people come here to enjoy snow every winter.

【题目】听下面一段材料，回答第15至第17题。

【题目】My uncle has just bought a house _________ a small garden in front of it.

【题目】One of the best ways for people to keep healthy is to _________ good exercise habits.

【题目】Alan did the project __________ better than his classmate, so the teacher praised him.