2015年大学英语四级必备词汇09
发布时间：2013/8/7 18:12:12 来源：城市网学院 编辑：admin
1. It was essential that the applications forms _C_ back before the deadline.
A must be sent B would be sent C be sent D were sent
It be essential that 后面一定用虚拟语气，且句子谓语动词固定为(should) + 动词原型;
It was essential that the applications forms send back before the deadline.
2. We _D_ our breakfast when an old man came to the door.
A just have had B have just had C just had D had just had
when 还可以表示①刚。。就… (有动作先后关系)、②恰在此时;
3. I had just started back for the house to change my clothes _D_ I heard voices.
A as B while C after D when
4. I felt somewhat disappointed and was about to leave， _C_ something occurred which attracted my attention.
A unless B until C when D while
5. It was essential that these application forms _D_ back as early as possible.
A must be sent B will be sent C are sent D be sent
