chọn từ có trọng âm chính rơi vào vị trí khác so với các từ còn lại
1.a.industry b.memory c.ambiguous d.advertise
2.a.tunnel b.nightmare c.retain d.thesis
3.a.rainfall b.inquire c.confide d.machine
4.a.tebleland b.artistic c.contribute d.substantial
5.a.colony b.maintaining c.maintenance d.credible
6.a.priority b.endangerment c.relationship d,enthusiast
7.a.address b.include c.imply d.common
8.urbanization b.environmental c.communnication d.unexpectedly
9.a.computation b.unemployment c.desirable d.satisfaction
10.a.associate b.infulunential c.accountancy d.variety
11.a.committee b.internal c.involvement d.margarine
12.a.negtive b.pioneer c.interchange d.understand
13.a.relax b.wonder c.problem d.specical
14.a.imagine b.confidence c.appearance d.discussion
15.a.sleepy b.trophy c.facial d.exact
16.a.original b.responsible c.reasonable d.comparison
17.a.authority b.necessity c.academic d.commercially
18.a.emotional b.simultaneous c.astronomy d.applicable
19.reflection b.division c.interview d.remember
20.a.punctuality b.recommendation c.undergraduate d.solidarity.