Henry can’t attend the party _____ at Tom’s house at present because he is preparing the speech at the party _____ at Marie’s house tomorrow.
It is _____ that Professor Smith will give us a lecture tomorrow.
_______ his research, man can set foot on the moon now.
The rest of the apple _________.
Only when his mother arrived ___________.
–Do you know the ____ woman by the chairman? --Yes. But could you introduce to me the man _____ by the reporters?