Every weekend, there is a meeting and our head teacher, with five of us, ____ it.
The old city wall ______ in the Ming Dynasty.
The doctors have done ______ they could ______the child.
The teacher asked the students ______ .
I don’t know where I ______ my dictionary, which cost me 50 yuan.
If you are traveling___ the customs are really foreign to your own, please do as the Romans do.