（ ）school open day,parents’ can watch our lessons.A、On B、In C、Up D、At 选什么,说明原因

my school open day的作文（用英语） A Plan for school open day快 school open day一般将来时英语作文 Open day（中文） Today is Open Day at our school.（用yesterday改写） 英语作文：An Open Day at our school. 英语小作文 Open day at my school they will visit our school _our open day. 英语翻译()the Open Day,you can()your parents()our school. open day Our school library ___from 9:00 a.m to 4:00 p.m every day.A. is opened B.is opening C.is open D.opens It was one of the _____（activity） of the“school Open Day”activity是用单数还是复数? can you make some p____ for school open daycan you make some p_____ for school open day Our school library ___(open) at 4:00 p.m .it___(open) from 4 to 8 on school day our p---------- can come to school The park is open（ ）7：30a.m.（ ）5：00p.m.every day 填空 Millie wants her mother to come to Sunshine Middle School on the Open Day.可以是to come SunshineMiddle School on the Open Day. on open day还是in open day?