---Mr. Bill always makes his class very lively and interesting. --- You are right. No one teaches ____.

-Kate dances so well. Has she ever been trained? --No. He learns all by herself. She ______ goes to any training class.

------ I wonder ______ you’ll water this kind of tree. ------- Once a week.

However, if you don’t take these talen shows too _______, they are fun to watch.

.Not all the students sitting in the back row can see the words on the blackboard _________.