Mary's uncle gave _____ a book yesterday.[ ]
A. her
B. she
C. hers
D. he
答案:A
在糖类、脂肪、蛋白质的消化中,() 起着重要作用。
A.唾液
B.胃液
C.胰液
D.肠液
完成句子。
1. _______ _______, Debbie! Don't fall off.
(抓紧, 戴比!别掉下来。)
2. Garden are ________ _______ plants. (花园里充满了植物。)
3. Snowball ________ _______ me when I come home from school.
(我放学回家时, 雪球经常和我一起玩耍。)
4. I think we will _______ _______.
(我认为我们会变湿。)
5. Please _______ _______ your books.
(请拿走你的书。)