简答题Which of the following words has a different vowel sound? A、sad B、bag C、salt D、tap简答题Which of the following words has a different vowel sound? A、foot B、look C、blood D、push简答题Which of the following words has a different vowel sound? A、rain B、said C、fail D、train简答题In the following phrase, which two words have vowels besides /ə/? from Canada to China A、from B、Canada C、to D、China简答题The position of /ɜ:/and /ə/ is similar to Chinese [e].简答题Which of the following words has a different vowel sound? A、health B、leave C、beach D、east简答题Which of the following words has a different vowel sound? A、south B、young C、couple D、won简答题In the following sentence, which two words have vowels besides /ə/? The parrot was asleep. A、the B、parrot C、was D、asleep