—What does your sister do ? — . A.She is in the supermarket. B,She is very tall. C.She is a teacher. D.She is fine.
Where _____ your pen pal _____ from ?
Emma ,can you introduce _______ to Alice ?I want to meet her .
Do you know ____________________?
The Blacks will be back from their holiday ______two days.
If he _____ free tomorrow , he ______ to see me .