If you           spit at all, please spit in the bucket(痰孟里)provided
#63179
A
must
B
shall
C
should
D
may
推荐题目
- Do you think the English class is _____________?- Yes, I enjoy it very much. 
#77099
A
interested enough
B
interesting enough
C
enough interested
D
enough interesting
---________ we clean the classroom at once? ---No, you________. You ________clean it after school
#76372
A
Must, needn’t, can
B
Need, mustn’t ,may
C
Must, mustn’t, can
D
Shall, can’t , may