Look!The ground is wet.It must have rained last night,________?
The little baby, if _________ by other people, will wake up and cry.
Don’t call him at this time tomorrow, because he _________ a meeting with his teachers.
That is a beautiful kingdom _________ three mountains join together and steep mountains reached to the sky.
You should wear a shirt with long sleeves _________ you get burnt in the sun.
----Why didn’t you apply for the job? ----I ________, but my old friend offered me a better one.