—Mary, let’s go to the bookshop this weekend. Will you be ?
—Sorry, but I’m going to visit my uncle in the countryside.
A. vacant
B. suitable
C. convenient
D. available
网友回答
A. vacant
B. suitable
C. convenient
(答案→)D. available
解析：考查单词意思，vacant意思“空闲的”，suitable意思“合适的”，convenient意思“方便的”，available意思“有空的”，句子意思“这个周末咱们去书店，你有空吗”