【C11】A．then workedB．now workingC．then workingD．who working

______ me the money for my tuition then, I would be working on the farm now.A．Had my uncle

I catch cold 【now and then】.A. alwaysB. occasiona

I catch a cold 【now and then】 .A. alwaysB.occasio

I catch cold 【now and then】.A. alwaysB. occasiona

I catch a cold 【now and then】.A. alwaysB. occasio

I catch a cold 【now and then】.A. alwaysB. occasio