【题目】It has been forty years ________ the reform and opening-up. Great changes have taken place in our country.

【题目】Italy is ________ European country and India is ________ Asian country.

【题目】Some people won’t realize the importance of their friendship ________ they lose it.

【题目】There was a heavy traffic. ________, I was late for the meeting.

【题目】Thanks for ________ the room for me. It's clean now.

【题目】There ________ the bell. Class begins.

【题目】—I read for at least two hours every day.

【题目】The cost of living continues ________.

【题目】—We'll have a basketball match against Class 1. I'm sure we'll win!

【题目】—Do you know________ Lily can lose so much weight in such a short time?