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.

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