---When did you see the bird last night?---It was at about ten thirty ______ I got home.
America was_________was first called “India” by Columbus.
It seems water___from the ceiling for some time . We’ll have to climb to the roof with a ladder.
To pass the exam, Li Hua had a busy week ______ to the radio and the tape.
With so much work _____ with , I doubt if I shall have time to visit you.
They had a party last month, and it was a lot of fun, so they wanted to have _____ one this month.