— Could we practice playing the guitar in the hall, Sir ? —No , ___________ you have the principal’s (校长) note.
We all decided to try______.
Listen!Someone______ an English song now. A.sings B.sang C.is singing Dwas singing
There_______a sports meeting in our school next week.
My mother______when I got home.
The problems are difficult to solve.Please give me_________.