Jack often complains____able to communicate with his parents.
A: of being not
B: of not being
C: being not
D: not being
第2题
________our expectation, the experiment turned out to be a complete failure.
A: Contrary to
B: Contrary with
C: Contrary against
D: Contrary for
第3题
Segmental phonology is concerned with the phonological features (also known as prosodic features) that extend more one segment.()
第4题
Scation is the best ____ for children.
A: investigation
B: organization
C: investment
D: origin
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