The manager ____ nothing about the matter ____ he read his secretary’s report.

The place ________ they will visit is far away from here.

_____ I can’t pass the test? —Never mind. You can take the test later.[ ]

How long has the train been away?—Sorry. I don’t know. By the time I got here, the train ________.

The air in Rizhao is getting much _____ now than a few years ago .