Although a child may be born with outstanding genetic potential, this potential will not （) develop.
A. namely
B. naively
C. narrowly
D. narrowly
—It's too hard to get the food to my mouth when I was in Japan.— （) .
A. I had to practice long and hard to manage those little grains of rice.
B. One thing I'll say for these things is I don't eat as much.
C. It's easy to offend people when you don't know their customs.
— Do you think we should take our Japanese friends something？ — （) .
A. I would be happy to bring some.
B. Well, I wouldn't suggest taking food „
C. You mustn't wear socks with shoes in them.
You played so well.You （) a lot.
A. had to have practiced
B. must practice
C. must have practiced
D. should practice
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