149. Do not start a book unless you can see from the first few pages that it is ______ you can easily read and understand.
—It’s cloudy outside.Please take an umbrella. — .
If a boss an employee in his company,he would inform him ahead of time.
As we can no longer wait for the delivery of our order,we have to it.
It’s necessary to be prepared for a job interview.the answers ready will be of great help.
It will be a long time Mr Black back from abroad.