We b_____that John and Tom can climb the mountain

We b_____that John and Tom can climb the mountain It is so difficult that we can't climb up the mountain.什么意思? Climb the mountain climb ___ the mountain climb the mountain中文 climb up the mountain We are going to climb the mountain 改否定句 if it is sunny tomorrow,we (climb) the mountain We tried _____ the mountain.A.climb B.to climb C.climbing D. climb up the mountain还是climb the mountain up? Climb up the mountain意思 填空：at the b___,we'll climb up to the top of the mountain.