If you promise to go with us, _____ will be OK.
China Daily is _____ a newspaper; it keeps us in touch with the world.
It is every citizen's duty to _____ our country when she is attacked by the enemy.
—How long have you been here? —___ the end of last year.
It rained for several weeks, completely ____ our holiday.
Xiamen Xiang'an Tunnel, _____ is the first undersea tunnel built in mainland China, opened to traffic on April 26th.