“Haven’t seen you for ages! Do you still work in Guangzhou?” “_______. It’s two years since I worked there.”
“Must I do the work right now, Mom?” “No, you ___. You may do it tomorrow.”
An ant has two ___.
Tom’s mother said; “Nobody can prevent him ___ smoking.”
He is said to be ___ the office.
___ he is going to do it or not does not matter .