-Jenny took the 8:00 bus to Guangzhou this morning.-Really? He__the 9:00 train. It's much more comfortable and safer to travel by train.
We walked ____ the Tian An Men Square to the Museum of Chinese History.
The plane flew ____ the city.
1 heard ____ the book long ago, but I have never read it.
Do you often hear____ your brother?
Finally they agreed ____ the terms of the contract.