Do you know what__________ before you __________?

The dish smells.It must be very delicious.

Have you ever been to Xiangyang?—Yes. It is an ancient beautiful city ______ has more than 2800 years’ history.

Do you know the man ________ visited the United States in February?–Yes. He is Chinese Vice-President Xi Jinping. He said it was his ____ visit to the United States.

What time does Lucy go to bed every evening?—________.[ ]