问题

Vitamin D helps our bodies make a special chemical, and thisspecial chemical,____, affectsour brains, making us feel happy.[ ]

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

正确答案是：

同类题型

I hated practicing, but I stuck_______ _itand now I can play pretty well.

Does she often get to school ____________ bus—Yes, quite often.

ws _____ them, they decided to go outfor a celebration.

I heard Max sing just now. What beautiful voice!— That’s true. He also has good sense of humour.

. On turning the corner, we saw the road _____ steeply.