10.Which of the following has a long vowel

A. 　heart

B. 　kidney

C. 　testis

D. 　pituitary

E. 　thymus

A. 　muscular and skeletal system

B. 　circulatory and urinary system

C. 　nervous and sensory system

D. 　brain and heart

E. 　urinary and reproductive systems

A. 　a prefix and suffix only

B. 　a prefix,a root,and a suffix

C. 　a prefix and root only

D. 　two or more roots

E. 　a root and suffix only

A. 　pl

B. 　p

C. 　s

D. 　n

E. 　u

A. 　ovary

B. 　gallbladder

C. 　kidney

D. 　lung

E. 　appendix

A. 　root

B. 　suffix

C. 　prefix

D. 　combining vowel

E. 　compound word

A. 　diarhea

B. 　diarrhea

C. 　dirhea bb

D. 　diarea

E. 　diarrea

A. 　German

B. 　Latin

C. 　Greek and Latin

D. 　German and Greek

A. 　spleen

B. 　lung

C. 　brain

D. 　liver

E. 　heart

A. 　compound word

B. 　vowel

C. 　combining form

D. 　prefix

E. 　acronym