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He has been working hard ________English * a. on b. in c. at d. for ​
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37 votes
37 votes
He has been working hard ________English *

a. on
b. in
c. at
d. for

​

User Fernandosavio
by
2.6k points

2 Answers

16 votes
16 votes
he has been working hard in English. option b
User Will Curran
by
2.9k points
15 votes
15 votes

Answer:

Option b.on is the correct answer.

User Stanley Shi
by
2.6k points
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