【C18】A．previousB．devotedC．latestD．efficient

【40】A．capabilitiesB．responsibilitiesC．proficiencyD．efficiency

A．previousB．foremostC．firstD．front

【C4】A．variousB．subsequentC．latestD．previous

The students take a ______ test in March, and the main exam is in July.A．previousB．prelimi

The constitution of a______society is not necessarily simple.A．previousB．precedingC．primar

【C17】A．previousB．presentC．thenD．current