s the Yangtze River _____ more than one bridge, the Nanjing Changjiang Bridge being the first one.

Where did you get to know her— It was on the farm _______ we worked

The fire，believed to due to illegal construction on the building’s roof, was brought under control after an hour

If you live in the country or have ever visited there, ____ are that you have heard birds singing to welcome the new day.

Open the window please， Mike.— ________ I didn’t hear what you said.