‘I’____the first letter in the word‘irregular’,and there is___‘u’and ___‘l’in it.
The number of the books in our library _________ about 20,000.
------- ______________? ------She is slim and beautiful.
Time seems ______ when we are playing computer games.
______ you are, _____ mistakes you’ll make.
My best friend Jack looks happy, and he always ________ a smile ________ his face.