Xiamen Xiang’an Tunnel, _____ is the first undersea tunnel built in mainland China, opened to traffic on April 26th．

We ________ a sign at the park entrance to tell people to protect the trees and flowers.

Would you please help me pick up____umbrella on the floor

Which coat would you like—I’d like _________ orange one with white flowers onit.

don’t believe these people have achieved success __________. They must have put much effort into their work.