—What about the student in your class, Mr. Wang?—The doctor said that ________ sleep caused him poor memory and poor concentration.
—Please read every sentence carefully. you are, mistakes you’ll make. —Thank you for your advice.
—May I swim here? — No, you _______. It is dangerous.
—Do you like your maths teacher? —Sure, because he is the teacher ___ helps me a lot.
—What is the date today? — It is _______.
—Which module is the most difficult in this book? — I think _____ module.