How beautiful is she?
Do you think How beautiful is she?
Do you think How beautiful she is?
Do you think How important appearance is?
Do you think What is the weather like?
关于how做从句是否要疑问语序?
He did very badly on the exam. He ___harder.A.must study B.must have studied C.should study D.should have studied本题答案选D,AC为什么错误呢,不能表示之后他必须或者应该好好学习吗?肯请老师解答,感谢!