________ you ________ free(有空) next Sunday?
A. Will; are
B. Will; be
C. Do; be
D. Are; be
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________ your brother ________ a magazine(杂志) from the library?
Are; going to borrow
B. Is; going to borrow
C. Will; borrows
D. Are; going to borrows
There __________ a country road in the mountains.
A. is
B. are
There _____ a lof of fresh water coming out of the spring.
A. is
B. are
_______ there a lof of old people over 100?
A. Is
B. Are