Hi Mary. What are you doing now Let‵s go to the park.—Sorry，my mom asks me to _____because my room is too dirty（脏的）

He hasn’t got a letter from his uncle .

Must I finish my work today—No, you ____________. You _____________ finish it tomorrow.

Several witnesses gave accounts of what they had seen. It took many hours to _______ the court of the driver’s guilt.

­­­His favorite food is fried snack and soft drinks______ is no surprise that losing weight is just his dream