Don’t stand up until you ____________.
---How was your trip?---The ____trip was so _____ that we felt very tired.
---Could you tell me _______yesterday?--- Because my bike was broken on my way here.
______ regular exercise is very important, it’s not a good idea to exercise too close to bedtime.
It was a very long day for Jack. He didn’t get home from school ______ six o’clock.
Sorry, Madam. You’d better come tomorrow because it’s ________ the visiting hours.