He _______here since breakfast.A.must come B.must been here C.must come here D.come here选择正确答案

He _______here since breakfast.A.must come B.must been here C.must come here D.come here选择正确答案 Do you mind _______here A.he smoking B.his smoking C.TO smoke D.smoke He arrived _______here at half past threeA to B / c for d at I have _______here for two months.So you _______here since two years agoA come cameB been have beenC been came D come have been选哪个呢 为什么呢 if the manger _______here ,he might agree with your arrangement.A.is B.will be C.was D.did选哪个为什吗? Tell the students _______here on time (come ) He has tauhgt here since he come here 对since he come here 提问 It is five years since he smoked he has been in english since last if the manger _______here ,he might agree with your arrangement.A.is B.wil be c.was.为什么填was?虚拟语气中的Be动词不是全用were吗 he has c___ a lot since he came here He ____ (live) on the farm since he was born He ______ (live) there since he ____(be)born. He-------------（know）the city since he was very young. He's loved Maths since he 后面应该填什么? He has been here since 1996 __ __ 9 years since he _ he has been here since he left college.对since he left college提问 （）（）has he been here since