问题

28Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy

A:in turn
B:in particular
C:in return
D:in short

正确答案是：

同类题型

_________—It’s Monday, the 14th.

I talked with a foreigner for a long time yesterday.—Great! It’s a good _______ to practice English.

________ the boy didn’t take medicine made his mother angry.

____________is the height of Jim, David-I’m not sure, but he is _________ than Simon.

n, _______ I had been writingfor ten years, was broken.