The word TB is formed in the way of _____.

A. acronymy
B. clipping
C. initialism
D. blending

The stem of disagreements is _____.

A. agreement
B. agree
C. disagree
D. disagreement

A small set of conjunctions, prepositions and pronouns belongs to ____class, while the largest part of nouns, verbs, adjectives and adverbs belongs to ____class.

Fore as in foretell is both a prefix and a bound morpheme.

A. 对
B. 错

Base refers to the part of word that remains when all inflectional affixes are removed.

A. 对
B. 错

In most cases, prefixes change the meaning of the base whereas suffixes change the word-class of the base.

A. 对
B. 错

Backformation is a productive way of forming nouns in Modern English.

A. 对
B. 错

Inflection is a particular way of word-formations.

A. 对
B. 错

We can always tell by the words that a compound contains what it means because the meaning of a compound is always the sum of the meanings of its parts.

A. 对
B. 错

All roots are free and all affixes are bound

A. 对
B. 错