Years ago we didn’t know this, but recent science ______ that people who don’t sleep well soon get ill

It is very important for us_____ English well.

Shanghai has _______ the pace of becoming a world-class tourist destination. For example, Shanghai Disneyland, Disney’s first theme park on Chinese mainland, is under construction.

Oh, my God! We have missed the lastbus. What shall we do?—I’m afraid we have no ______ but to take ataxi.

The Sutong Highway Bridge, a__________bridge, is open to traffic.