下列选项中,不属于货物合同条款规定需提供的货物买卖双方的权利和义务的是()。
A.质量保证和索赔
B.检验和测试
C.完成期限
D.合同生效和变更
参考答案:C
—Where is Tom? I can't find him.
—He ________in the classroom now. [ ]
A. may be
B. maybe
C. willbe
D. was
—Hello, Peter. Do you enjoy your stay in Hainan?
—I ________ in Hainan. The flood stopped me from going there. So I came to Shanghai.[ ]
A. haven't stayed
B. am not staying
C. didn't stay
D. do not stay