问题

difficult to tell exactly ____ the saying began,but it is probable that it was in the theater or movie industry.

A:where
B:when
C:why
D:that

正确答案是：

同类题型

A survey about how people in Yangzhou like the Korean TV series Descendants（后裔） of the Sun was ________ in our city last Friday.

Waiter, I’d like a hot wing hamburger and corn salad. —Sorry, sir. They ________ only for lunch and dinner. Why not consider ________ something else

Here is _____eraser. Is _____eraser yours —Yes, it is. Thanks!

Even though Jack has failed many times in his experiment, he holds a belief________he will succeed one day if he carries on with it. [ ]

. She pretended ______ me when I passed by.