We can hardly believe such a young boy ______ travel around the world all by himself.
I don’t agree with at all________ you said.
We were deeply impressed by the schools and teachers________ we had visited there.
The reason_______ his being late for school was______ he missed the train.
What’s the name of the boy_________ bicycle you borrowed?
October 1,1949 is the day_________ the People’s Republic of China was founded.