－When do we need to pay the balance?
－__________ September 30.
| A．In | B．By | C．During | D．Within |
——Your book, Tommy?
——No, Mom, it’s my friend’s.
——Remember to return it to ____ name is on it.
| A．what | B．which | C．whose | D．whosever |
I ____ to go for a walk, but someone called and I couldn’t get away.
| A．was planning | B．planned | C．had planned | D．would plan |
I’d like to live somewhere ____ the sun shines all year long.
| A．which | B．that | C．where | D．in which |
——The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
——____ my students have a try?
| A．Shall | B．Must | C．Will | D．May |
——What should I wear to attend his wedding party?
——Dress ____ you like.
| A．what | B．however | C．whatever | D．how |