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15 tháng 2 2019

1.do => did 6 cut => cut 11 buy => bought 16 think => thought

2.teach => taught 7 put => put 12 have => had 17 see => saw

3 send => sent 8 give => gave 13 take => took 18 eat => ate

4 spend => spent 9 write => wrote 14 go => went 19 sing => sang

5 begin => began 10 be => was/were 15 make => made 20 wear => wore

15 tháng 2 2019

1.do-did

2.teach-taught

3.send-sent

4.spend-spent

5.begin-began

6.cut-cut

7.put-put

8.give-gave

9.write-wrote

10.be-was/were

11.buy-bought

12.have-had

13.take-took

14.go-went

15.make-made

16.think-thought

17.see-saw

18.eat-ate

19.sing-sang

20.wear-wore