Yes,___ is difficult to find a job nowadays, but ____ is more difficult is to try to find such a job with a high salary but little work to do.A it ; it B. what ; what C. it ; what D what ; it
These plastic flowers look so _____ that many people think they are real.
When the big bills for mother’s hospital care came, father was glad he had money in the bank to _____.
. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
With the change of the economic foundation the entire immense superstructure is _____ rapidly transformed.