________ students are there in your class— There are forty students, twenty girls and twenty boys.

There is a belief among students in someuniversities to be a volunteer will help preparethemselves for the future.

Mary, have you got my email? I sent you a birthday card yesterday. —Oh, really! I haven’t ＿＿＿my mailbox yet.

_________ alwayssucceed.

To their surprise, Tom and his pet dog were here a moment ago are gone now