管理员注意到某个用户在公司网站提交的命令包含了一些敏感字符（例如 and 、or、-- 、=），最有可能是产生不寻常结果的原因？描述这种攻击？
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We can go out now. It ______________ any more.
A. doesn’t rain
B. isn’t raining
C. isn’t rain
D. doesn’t raining
What_____________ in your spare time? Have you got any hobbies?
A. did you do
B. are you doing
C. are you do
D. do you do
Mary usually ___________ me on Fridays but she _______________ last Friday.
A. phone, didn't phone
B. phone, isn't phone
C. phones, wasn’t phone
D. phones, didn’t phone
It’s usually dry here at this time of the year. It ________________ much.
A. don’t rain
B. doesn’t rain
C. isn’t rain
D. isn’t raining
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