“Zhu Zhiwen Overcoat Brother, came here to us in singing for the National Day the other day.
| A．join | B．join in |
| C．attend | D．take part in |
Is ____ necessary to complete the design before National Day?
| A．this | B．that | C．it | D．he |
I hate _______ when young people speak to the elderly in a rude way.
| A．this | B．that | C．it | D．one |
—How long are you staying there?
— _____depends.
| A．It | B．Anything | C．This | D．Everything |
______was known to them all that William had broken his promise______ he would give each of them a gift.
| A．As, which | B．What, that | C．It , that | D．It , which |
—When can we come to visit you?
—Anytime you feel like .
| A．one | B．it | C．so | D．that |