the students’ works ( ) in the library A on show B are on sh

the students’ works ( ) in the library A on show B are on sh The students are going hiking___the mountain.A.in B.on The students are studying _________the wall A.on B.in C.at D Stop ____ a noise in the library .The students are reading b The farmer works ___ the farm ___ Sunday morning.A.in;on B.o The students on the way to the outing are in high()A spirit 1.What are on show in the museum? Qinghai Library is ) the left of Xining Square.A.in B.on C.a there are a lot of od things on show in the m---- She works very hard the day.A.at B.on C.in D.of The students are working on a math p________in the room. Thess apples are small.Please show me the big（ ）.A：some B：on