One possibility is that tears get rid of certain chemicals from your body _____ build up during stress.
| A．to which | B．that |
| C．where | D．in which |
Up to now , some less well-off people __________ into the public rental house in Chongqing .
| A．moved | B．move | C．have moved | D．are moving |
Every Friday is the school open day , __________ parents can go to the class to observe it .
| A．where | B．when | C．whose | D．which |
The royal wedding of William , __________ Britain’s prince , and kate , __________ ordinary girl , draws the worldwide attention .
| A．/ ; an | B．/ ; the | C．the ; the | D．a ; the |
Just as I am busiest , __________ you come bothering me with some questions now ?
| A．may | B．can | C．must | D．shall |
--- Do you need more fish ?
--- __________ .
| A．Thank you | B．Not likely ? |
| C．You’re welcome | D．No , thanks. I’m up to my ears |