（）morphemes are those that cannot be used independently but have to be combined with other morphemes, either free or bound, to form a word.
第1题：
Coinage is a process of inventing words based on existing morphemes.()
第2题：
Bound morphemes are always attached to free morphemes to form. new words.()
第3题：
Compounding is one type of word formation by combining both free morphemes and bound morphemes.()
第4题：
The use of portable electrical equipment in the pumproom on tank barges is prohibited unless ______．
A.The pumproom is gas-free
B.Spaces with bulkheads common to the pumproom are either gas-free，inert，filled with water，or contain grade E liquid
C.All other compartments in which flammable vapors and gases may exist are closed and secured
D.All of the above
第5题：
此题为判断题(对，错)。
第6题：
The word “went” contains two morphemes.()
第7题：
A derivational morpheme
B free morpheme
C inflectional morpheme
D free form
第8题：
Free morphemes were traditionally called root.()
第9题：
此题为判断题(对，错)。
第10题：