问题

What do you think of the 3D-printed ______—I’m afraid they are not safe enough to live in.

A:tools
B:buildings
C:cars
D:toys;

正确答案是：

同类题型

as gone to Califonia.—Oh, can you tell me when he

The teacher， together with the students, _ __ discussing Reading Skills that ______ newly published in America.

Can I look at the menu for a few more minutesbefore I decide—Of course. ______, sir.

下列交际用语使用得体的一项是（）

The newly-built road isthe old one.