Chia dạng đúng từ trong ngoặc

4/ When I was 8 years old, my mom (teach)............me how to cook my first fish.

5/ My mother ( not go).............to class to learn how to arrange flowers last year.

6/ How many plays ............................. Shakespeare (write) ......................... ?

7/ How many plays ............................... she (write)........................ so far ?
8/ Last year I (visit) ................................... Hue.

9/ I ( visit)............................... Hue four times

10/ They (build) .................................... a new house for three months

11/ They ( buy )..................................... a new car three months ago

12/ We (learn) ........................................ at this school since 2013.
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