1.I really don't want to head your complaint about the matter anymore
=> I'm feed_____________________________________________.

2. I wish I had visited Brazil during the 2014 World Cup

=> It's a______________________________________.

Tìm lỗi sai

1.The problem with your plan is that we can not see it practical

2. Little is known about the mysterious fire happened the day before yesterday

3. Hundred students came to attend the lecture given by professor An Tran, who is well-known in the eaching circles

what would be a good for someone who is very keen ......play basketball

( Điền giới từ )

Chứng tỏ :

a,  3 n + 2 + 3 n  chia hết cho 10, n ∈ N

b,  7 n + 4 - 7 n  chia hết cho 30, n ∈ N