The WHO has given some advice on to prevent us being infected(感染)with H7N9.
Do you have two ________ of ________ ?
He is ________ his pen, but he can't ________ it.
I like snacks but I do not eat them______.
There are two ____ and three ___ , they are talking about something.
He never does some sports, it is time for him ________now.