How many stressed syllables are there in the sentence?[音频]

A. 1
B. 2
C. 3
D. 4

Listen and choose the second stressed syllable.[音频]

A. Thom
B. John
C. Stev
D. Sam

Listen and find the first and the second unstressed syllables?[音频]

A. son
B. en
C. and
D. Sam

Choose all the unstressed syllables you can hear?[音频]

A. son
B. and
C. some
D. then

There are three stressed syllables in the sentence.[音频]

A. 对
B. 错

The first word in the sentence is a stressed syllable.[音频]

A. 对
B. 错

The unstressed words in the sentences are: (1), (2), (3), (4), (5).[音频]