Choose the word that from the other three in the position of the primary stress: travel, suggest, sustain, involve

Knowledge: Word stress with 2 syllables

Explain:

A. travel /ˈtrævl/

B. suggest /səˈdʒest/

C. sustain /səˈsteɪn/

D. involve /ɪnˈvɒlv/

Option A has stress on syllable 1, the rest is on syllable 2.

Choose A.