Listen carefully and choose the word you hear.
A. loose
B. lose
Listen carefully and choose the word you hear.
A. math
B. mass
Which of the following letters or letter groups can be pronounced as /s/?
A. ss
B. th
C. s
D. ce
/s/ and /z/ sound quite similar in pronunciation, so there is no need to notice the difference between them when speaking English.
A. 对
B. 错