Great changes ______ in the past few years, anda lot of factories ________.

Was it by cutting down employeesshe saved the company? —–No, it was by improving work efficiency.

Jenny was sad over the loss of the photos she shot in Canada, _________ this was a memory she especially treasured

下列词语中加点的字，读音全部正确的一组是（ ）

Please email Jenny ________ @5364428.com. He can help you.