—Susan, what are the advantages of MP5 players?—Mom, they are smaller and lighter ______ they can be carried very easily.
Her son _____ coke , but now he ____ milk.
I began watching here an hour ago, but now nothing _______ yet.
---- A number of voiunteers _____ willing to teach in China’s rural areas. ----- Yes. The number _____ getting bigger and bigger.
It’s sometimes hard to tell one twin from _____.
--Where is your father? ---- He _____ Australia and he _____ Sydney for two weeks.