I had got a bad cold and couldn't decide whether I should go to work or stay at home.
考点：得了重感冒：get a bad cold；去上班：go to work；留在家里：stay at home。
句子结构：whether……or……：表选择。“拿不定主意”是一般现在时或者一般过去时，所以“得重感冒”应该是对应的完成时态。
