A proposal has been put forward at a recent video conference _______ measures be taken to raise the citizens’ awareness of traffic safety.

— I’m sorry to tell you that you made a mistake in your test.
— How can that be? I did it _______ in class.

—Tom, your foreign teacher speaks Chinese fluently!
—Oh, she has lived in China for six years, otherwise she _______ such good Chinese.

Just in front of our house _______ with a history of 1,000 years.

My mother and her old friends talked of some things and people ________ they remembered in the school.

The Voice of China has set up a big stage for young people with a talent for music, ________ some of them have stood out among others.

Williams shows some challenging means ________ diners at their mystery lunch on Sunday might eat the special dish.

That scientist ________ work is successful has been made a model worker.

Many athletes are clear that the Olympic Games are the only time ________ they will be watched by thousands of millions.

The old man often looked back on the past days ________ he worked hard to make a living.