The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
The twins are so much alike that no one can ________one from the other.
When I walked past the street, seeing the children playing happily, their happy laughter _______memories of my childhood.
Although the old man is in his sixties, ___ he walks fairly fast.
Rose is not only clever ____.
The Frenchman speaks ______.