I _____ sooner but I didn’t know that they were waiting for me .

He commanded that all the gates _____when it was getting dark in case thieves came in .   

The headmaster demanded all the teachers ______ in the office.

—Why didn’t you turn up last night, Huck?
—I ____ to go for a walk, but someone called and I couldn’t get away.

---  My sister is very upset today.
--- It is your fault. You ________________ the bad news to her yesterday.

It was Mr. Zhang that helped us out of the trouble. Without his help, we ______ it so easily.

— What does the notice on the wall say?
— “No person _____ take books out of the reading room; otherwise he _____ be fined.”

I ___to my cousin’s birthday party last night, but I was not available

He commanded that all the gates ________．

----Did you hear about the hero who rescued the child from the burning building?
----Yes. What do you think most people ______ if they were in a similar situation?
A. will do     B will have done.  C. would do     D. would have done