1. Pronounced differently from the others: /bl/ và /kl/ 1. A. block B. blast C. black D. clean 2. A. blanket B. problem C. clear D. club 3. A. class B. clean C. clown D. blanket 4. A. clock B. clear C. cloud D. black 2. Stress in words ending in -al and -ous 1. A. general B. property C. disaster D. fabulous 2. A. yesterday B. optional C. natural D. prediction 3. A. glamorous B. eruption C. volcanic D. tornado 4. A. thunderstorm B. prosperous C. important D. resident