皮皮学，免费搜题
登录
搜题
【单选题】
根据血液分层现象可知，血液的组成是A.
血浆、红细胞
B.
红细胞、白细胞、血小板
C.
血浆、血细胞
D.
血清、血细胞
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】—Must I finish the work today? —Yes, but you ________finish it now. [ ]
A.
must
B.
need
C.
need to
D.
don’t have to
【单选题】—Must I finish the paper tonight? —No, you _______ finish it tomorrow.
A.
must
B.
needn’t
C.
can
D.
shouldn’t
【单选题】— Must I finish the work today? — .
A.
No, you can’t.
B.
No, you must.
C.
No, you needn’t
D.
No, you may.
【单选题】—Must I finish the exercise this afternoon? —Yes, you ______, but you ______ finish it now.
A.
must, mustn’t
B.
must , don’t have to
C.
may, needn’t
D.
may , mustn’t
【单选题】— Must I finish the work today? — .
A.
No, you can’t.
B.
No, you needn’t
C.
No, you must.
D.
No, you may.
【单选题】—Must I finish the homework tonight? —No, you .You can finish it tomorrow.
A.
mustn’t
B.
needn’t
C.
need
D.
must
相关题目：
参考解析：
知识点：
题目纠错 0
发布
