A．Computers can help people with their choice of words.
B．Spell checks can take the place of spelling teaching.
C．Handwriting still has a place in today's classrooms.
D．Functional spelling ability develops fast in the fifth grade.

A．Factors that affect successful crocodile communication.
B．Some reasons about why crocodile generated sounds.
C．Ways that newborn crocodiles learn to communicate.
D．Reasons why crocodile's communication is difficult to study.

A．He is concerned about the accuracy of some of the information.
B．He’is hopeful that the class will be able to discuss it.
C．He thinks it was overly critical of some recent theories about crocodiles.
D．He is surprised that it did not include more examples of crocodile communication.