21．When a giraffe has ______ drink, it has to stand with its front legs wide apart in order to reach ______ water easily.
A. 不填；不填 B. a; the C. the; 不填 D. 不填；the
22．He invited us to his birthday party but if she doesn’t go today, ________?
A. nor do I B. neither do I C. nor shall I D. neither I shall
