【C2】A．broughtB．boughtC．acquiredD．produced

【C10】A．have broughtB．have been broughtC．have takenD．have been taken

【C12】A．acquiringB．acquireC．acquiredD．had acquired

【C16】A．foughtB．boughtC．soughtD．caught

【C2】A．advancedB．evolvedC．progressedD．produced

【C13】A．possessedB．experiencedC．acquiredD．encountered

【C18】A．would buyB．would be boughtC．were boughtD．were buying