—What do you think of the new English teacher?—___she is an elegant lady, she can be extremely difficult to work with.
When the telephone rang, I happened_____ a book.
The boy wanted to ride his bicycle in the street, but his mother told him_____.
Please put on the coat, _____ you’ll catch a cold.
Try to_____ at least an hour each day for learning English and you’ll make progress.
This company sells cars in different price_____.