Xiamen Xiang'an Tunnel, _____ is the first undersea tunnel built in mainland China, opened to traffic on April 26th.
We ______ last night, but we went to the concert instead.
If you are unable to attend the meeting, for ____ reason, you should inform us immediately.
Whom does the money the government spends ______, the farmers, the workers or the businessmen?
. Several weeks had gone by ________ I realized the painting was missing.
The teacher asked a difficult question, but finally Ted _____ a good answer.