He seems to be doing nothing, but _____ he is just waiting for his chance.
―Are you disappointed with the result of the experiment? ―No. ______, I’m pleased with it.
―Did you listen to Barbara’s speech? ―Yes, I have never heard a ______ one.
The familiar English song ______ me of the happy days l spent in Scotland several years ago.
The result was disappointing-we ______ have won the game easily.
Mr. Gates is now ______ the company. If you have any questions, you can dial the number.