--Can I eat the cake, Mum?--Yes, you can.______ you must wash your hands first.A. But B. Or C. So
Kitty found _________ interesting _____________ the difference between the twins.
Many people are waiting ____________ the bus at present.
If you want to get the job, please contact Miss Wang _________ 5557 8841.
You know great changes _____________ in our school in the past ten years.
“How many students have visited the Summer Palace?”“.”