Question

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Answer 1

Answer:

(a)he had developed a whole new strategy for his studying

(b)wheather he saw a big difference in his grades

(c)that he hadn't said that

(d)that he was bad at studying but great at developing strategy

Answer 2

Answer:

a- he completed

b - do you see big difference in your grade

c- that he is bad in his studies

d - that he is developing a