18. Don’t try to cheat the taxman(税务人员); you’ll never ______it.
The boy wanted to ride his bicycle in the street, but his mother told him ______.
John wanted to ride his bike in the street but his uncle told him _____ . A. not to B. not do B. not do it D. do not to
When _____ why he walked in _____ permission, he just _____ at us and said nothing.
He did all he could _____ .
_____ Monday morning he wrote an article on grammar. _____ Monday morning he had written an article on grammar.