5. Students have two _____________ each day.

A. 20 – minute break    B. 20 – minutes break

C. 20 – minutes breaks    D. 20 – minute breaks

4. The orchestra will give a concert ____________ the anniversary celebration.

A. at B. of C. to D. for

3. Nga is ____________ a play for the school anniversary celebration.

A. making B. rehearsing C. playing D. singing