问题

Mrs. White looks old for her age. —Yes. It worries her most ______ her hair is turning gray.[ ]

A: while
B: if
C: that
D: for

正确答案是：

同类题型

Howabout your journey to Mount Emei—Everything waswonderful except that our car _________ twice on the way

Listening to loud music at rock concerts ________ caused hearing loss in some teenagers.[ ]

Only after they had discussed the matterfor several hours ______a decision.

I’m looking forward _________dinner withyou.

The crowd cheered wildly at the sight of Liu Xiang,who was reported _______ the world record in the 110-meter hurdle race