A. with B. of C. on D. to
A. if B. unless C. though D. as
A. have we sat down B. had we sat down C. we had sat down D. we sat down
A. strike violently B. pass by C. move slowly D. stride
A. go smoothly B. go straight and fast C. go up and down D. go violently
A. hit violently B. move lightly over C. go fast and quietly D. move gradually away