—This book by Tony Garrison is of great use for our course.—But I think his latest one is _______ worth reading.
If we canour present difficulties, then everything should be all right?
We all know that, , the situation will get worse.
When the teacher speaks, we have to keep quiet, ?
Man is born yet everywhere he ischains.
---Do you have trouble finishing the work? ---The work is not so difficult as you think.We have finished it already.