Do you know _____(UFO)?
Do you know _____(UFO)?
do YOU KNOW WHAT IS ufo?
Do you know _____ tomorrow?
16.Do you know _____?
Do you know _____?(怎么填)
Do you know _____ ______ ________his house
who _____ (发现)American,do you know?
1.Do you know where _____ tonight?
Do you know which hotel _____?
Do you really know _____ used?
Do you know _____ they _____ at yesterday's meeting?
Do you know the boy _____ _____ over there?