We went to climb mountains last weekend.为什么这个句子的 went to climb 中间要加to?

We went to climb mountains last weekend.为什么这个句子的 went to climb 中间要加to? —I heard you went mountain climbing but didn't reach the top.—Yes,we tried______.A.hardly to climb the mountainB.hard to climb the mountainC.to climb the mountain hardD.to climb the mountain hardly we went to climb the hill ,while while my father remained at home remained 可以换为remaining 我们去爬山.We went to climb up ____ .他们在公园里放风筝.（过去式）They ____ kites in the garden. 英语翻译We have a three-day holiday for May Day.So my friends and I went to climb Changyan Mountain.The mountain is about twenty-five kilometers away from our city.We went there by bus.At about ten we began to climb.The mountain road was steep an WE WENT TO RETURN SOON we went to the cinema. we went to the amusement we went to a b_______beach. We tried _____ the mountain.A.climb B.to climb C.climbing D.climbed WE ARE GOING TO HAVE _ THE MOUNTAINS THIS SUNDAY MORNING(climb)climb 怎么变 We are going to climb the mountain 改否定句 我们没能爬山we （）to climb the hill clmb mountains和went to the mountains的区别?打错了climb go Yeaterday they went to climb the hill instead of _________(visit) it. 选择填空1.Did Tom ( ) TV last night?A.watchs B.watch C.watched 2.We went to school ( ) foot.A.go B.to C.near 3.Where is Mike going?( ) A.He is going to Kunming.B.He went to Kunming.C.He is going to climb mountains.4.——Where did your father go the hill was so high that we couldn't climb it(保持原本意思不变) the hill was___high____us to climb we went to _____ the mountains