Issue of CBI
The teacher must design the interesting lesson and material and focus the learner to be important.
The teacher must have knowledge both content subject and language.
The teacher too focus on content and overlook language skills.
Stryker, 1993 CBI will learn by doing, and cooperative w and participle working, student will understand for CBI and teacher will train them.
Richards, teacher teaches linguistic than content subject to basic matter.
Cristopher, CBI enhances development though content area rather than content learning parse.