Chia động từ trong ngoặc
1.Don't (let) ......... your child play with a knife
2.Mary (cook) ....... in the kitchen at present.
3.Where are you ,Peter? I (be)................ upstairs , Mom.
4.Jimmy (climb) ...... the apple tree yesterday. He (fall)...... and (break)... his leg.
5. Mai has a ...... . She (go)............ to the dentist tomorrow.