His family are all__ vacation now.A.at B.of C.on D.for 怎么选
His family are all__ vacation now.A.at B.of C.on D.for 怎么选
-Where are his family?-They are all _ vacation now.A.at B.of
His family are going to Paris_ A:on a vacation B:for a vacat
一道单选题This is a photo——his family A.at B.for C.of D in
we wrote a report ( )children's vacation A .for B.at C.on D.
Write a report-----your vacation.A on B in C for D at
the two rooms are -----the same size.a.at b.for c.on d.of
They are going to Hainan( )their vacation.A.on B.in C.for D.
he is working ( )a model plane now. a.on b.at c.for d.in
My family watching TV now A:am B:is C:are D:be选一项
Are you here on business or ___ fun A,in B,on C,at D,for
Her family ( ) having vacation.A.is B.are C.like D.likes