—When ________ the telephone ________?—In 1876.A. is; inventedB. did; inventedC. was; invented
﹣Let’s play soccer.﹣Good idea! Do you have __________ soccer ball?A. a B. an C. 不填
– What did that lady ask you just now?- She asked me______.
-______ you leave so soon?-Yes. I have to catch my plane.
I was late for school because my alarm clock didn’t ______this morning.
- How was the performance last night?- It was so good. Though it ______ nearly four hours, few people left early.