【简答题】请把下面句子改成过去时态。 1. We fight against virus, doubts, and uncertainty. 2. The doctors and nurses work day and night no matter how exhausted they are. 3. Some lose their jobs. 4. Some can't pay their rent a...
【简答题】请把下面句子括号里的词改成过去时态。 1. We ( fight)___ against virus, doubts, and uncertainty. 2. The doctors and nurses (work)___ day and night at the sacrifice of themselves. 3. Some (lose)___ their jobs. 4. Some (ca...