用括号内所给动词的适当形式填空。 I will visit my grandparents if it ___________(not rain) next Sunday.
The railway station was there three years ago, but it_________(change) a lot over the years.
Come here if your homework _________(finish).
I really don’t know where _______(go).
Mum _________ (cook) when I got home a moment ago.
__________Simon __________(ask) to clean the classroom after school yesterday afternoon?
Look! The teenagers are making cards _________ (show) love to their mothers.
Great Changes _________ (take) place in my home town in the past ten years.
Mary ________ (not fall) asleep until her parents came back last night.
I wonder if they ________ (go) to the park on foot tomorrow.