46.Where _____ (be)the birds ? They _____ (be )in the sky.

45.Our father often _____ (go) to work on foot.

44．____ you ___ (do) your homework ? No, I’m reading a picture book.

43._____ your sister ______(get )up early every morning ?

42.Some boys in my class are good at ______ (sing).

41.It’s very cold , but it _______(not snow) . Let’s _____(walk) home.62.The bad children ______(not do) their homework every day .

40.What _____ you _____ (do ) ? I ______ (study) maths .

39.Lisa _____(like) English very much and she can_____(swim) too.

38. Can I _____ (go) and see you now ?

41.Please ______(quiet). Mother is sleeping.

　时态填空