It’s cold, so we decided ______at home.
| A．stay | B．to stay |
| C．staying | D．stayed |
Thomas Edison ______ made 1,093 inventions in his life, was one of the greatest inventors.
A. what B. who C. which
– I don’t know ______ now.
– She’s much better today.
A. where she is B. how she is C. how is she
– What would you do if you ______ a car accident?
– I will call the police.
A. met B. meet C. were meeting
Bob ______ his bedroom by himself. Look! How clean it is!
A. sweeps B. swept C. has swept
– What were you doing when I called you last night?
– I ______ my homework and was going to bed.
A. did B. had done C. was doing