sat helpreading and writing 我对文法一点感觉都没有 怎么办呢

sat helpreading and writing 我对文法一点感觉都没有 怎么办呢 英语翻译Jack sat and watched everyone-closely. she sat there alone and felt___(help). with each other and then sat find a seat and sat down I visited museums and sat in public SAT SAT Sat sat sat SAT SAT SAT SAT I visited museum and sat in public gardens.这句话里面为什么要加sat呢? visited museums and sat in public gardens请问这里的sat in怎么解释 sat报名中Question-and-Answer Service是什么啊?