用括号内所给动词的适当形式填空。
小题1:I will visit my grandparents if it ___________(not rain) next Sunday.
小题2:The railway station was there three years ago, but it_________(change) a lot over the years.
小题3:Come here if your homework _________(finish).
小题4:I really don’t know where _______(go).
小题5:Mum _________ (cook) when I got home a moment ago.
小题6:__________Simon __________(ask) to clean the classroom after school yesterday afternoon?
小题7:Look! The teenagers are making cards _________ (show) love to their mothers.
小题8:Great Changes _________ (take) place in my home town in the past ten years.
小题9:Mary ________ (not fall) asleep until her parents came back last night.
小题10:I wonder if they ________ (go) to the park on foot tomorrow.