Official 8 Lec 3
Question 5 of 6
Put the events in the order that they happened. Click on a sentence. Then drag it to the space where it belongs.

A.

The first eyeglasses were made.

B.

The printing press was invented.

C.

The number of people interested in reading increased.

D.

Inexpensive eyeglasses became available.

正确答案:ABCD

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