【C6】A．sinceB．soC．whileD．for

A． because B． soC． whileD． if

【C12】A．SinceB．AsC．WhileD．What

【C6】A．ForB．SoC．DespiteD．But

【C6】A．sinceB．whileC．whereasD．before

【C5】A．sinceB．soC．andD．but

【C2】A．sinceB．ifC．asD．while