Which of these words almost always have a weak pronunciation? (select all that are correct)
A. a
B. of
C. can't
D. and
Can is usually unstressed when _________.
A. when another word follows it in a sentence.
B. it is at the end of a sentence.
/ə/ is the least common vowel sound in English.
A. 对
B. 错
Can't never has a strong pronunciation.
A. 对
B. 错