Step on snails.（改为否定祈使句）

题目

Step on snails.（改为否定祈使句）
Sixteen and four is __twenty__.（对划线部分提问）
He reads it out loud __a few__times every night.（对划线部分提问）

答案

Don't step on snails.
What is sixteen and four?
How many times does he read it out loud every night?
我和楼上的最后一道题里面的read不一样!我的对的!