You don’t know ______ I want to see you again. It’s a year since I last saw you.

I like English very much, so I ________ listen to the tape in the morning.

--Teenagers should speak to the old people _________ ?     -- I agree with you.

— Zhang Lili, “the most beautiful teacher”, has moved us deeply. — Yes, and she is ______ popular with her students.

—______ eggs do you need for the soup? — Well, one is probably.