问题

To increase the production, many factories have some new techniques.

A:brought out
B:brought in
C:brought back
D:brought about

正确答案是：

同类题型

Does Lucy enjoy singing? —Yes, she does. I have never seen anyone else that is as ________ about singing as she is.

The teacher is much kinder to the top students, ______ makes the others unhappy

Where did you see Avatar — It was in the same cinema _______ I ever watched2012.

The researchers have discovered __________they believe to be a new species.

My new English teacher is strict ______ us and her class is really interesting.