John doesn’t work hard at his lesson and feels really nervous with the final exam _________.
.He _________ at once when I promised to help him.
.All finished, we sat down to enjoy _________ we thought was the most delicious dinner.
.. Once fighting _________ between the two villages and many people were killed.
.—My boss punished me this morning.—Why? You’ve done nothing wrong, _________ I can see.
.He could see the tall chimneys of the factory _________.