1.----Why is the classroom so dirty?----Sorry,sir.It_____yesterday.We forgot to do it.A.don't clean B.didn't clean C.weren't cleaned D.wasn't clean2.We_____to go into the school unless we are in school uniforms.A.allow B.are allowed C.are not allowed

The girl is afraid 什么 her teacher,and she doesn't want to sit 什么 the cla Why the answer is the reson.why..is Why is the river rich? why the sky is blue? Why is the sky blue? 英语：请问该怎么对括号内的内容用特殊疑问词来问?1.she (is playing computer games) in her room2.(Jack )is showing his friends around the park.3.Their classroom is (on the third floor).4.There are (thirty-five )students in our cla 脑筋急转弯:1.Why is the letter T like an island?2.Why is the letter A like a flower? 用have has或者ther is there are 正确形式填空,快啊,1.what does mike（ 2.（ ）any books in the bookcase?3.my father（ ）a story-book.4.（ ）a story-book on the table5.（ ）any flowers in the vase?6.how many students（ ）in the cla 根据要求,转换句子.1.There is a book on the desk .(变复数)There ________ _____ ______ on the desk.2.He works in Canada.(变否定)He _____ ______ in Canada.3.I clean the classroom every day (变为现在进行时态)I _____ ________ the cla Why is the library the highest building? Why is the library the highest building? why is the life so shit?so tell me why CLA是什么 CLA是什么意思 ClA是什么 Why so crazy is the world? why is the global world interesting