句型转换（本题共5小题；每小题1分，满分5分）
请根据要求改写下列句子，每空一词。
The lazy boy spread his things all over the floor.（改为一般疑问句）
the lazy boy          his things all over the floor?
Everything will be all right in a few days.（对划线部分提问）
will everything be all right?
If you are not careful enough，you’ll probably make a mistake.（保持句意基本不变）
be careless，       you’ll probably make a mistake.
Jerry was very excited.He could not express himself clearly.（合并为一句）
Jerry was         excited         he couldn’t express himself clearly.
Mr.Jiang advised us which we should choose as our after-school activities.（改为简单句）
Mr.Jiang advised us which                   as our after-school activities.