My father ___(work) in the factory since three years ago.答案是has worked,我填has been working,可不可以呢?为什么

My father goes to work by bus(同义句转换) My father ___ ___ the bus___work My father often goes to work by car.(改为同义句） My father often ___ ___ work. My father is at work.(同义句转换) My father ___ ____. my father goes to work by bike.= my father ___ ___ work.the car is expensive.=the car ___ ___ Yesterday,my father got home from work very early.同义句转换 Yesterday,my father ___ ___ very early. 写出同意句：My father goes to work by bike .myfather goes to work ___ ___ ___ 改写为一般疑问句句 My father goes to work by bike every day?___ your father ___ to work by bike every day如果一空一词怎么填 My father is a_____ work. My father ____(work) at the computer since I ___(come) into the room My father always ___（work）late.用所给单词适当形式填空. My father ___(work) in the factory since three years ago.A has worked B has begun to work为什么 I didn’t do my homework before my father came back home form work同义句I didn’t do my homework ___ my father___home form work My father ___ (have) a lot of work to do today.He__just__(have)his breakfast and he__(leave) home. My father is __ ___ to go to work.A.good enough B.well enough 我不太确定 my father--------just-------(come)back form work. my father is very friendly ( )his work my father work （）a car My father work at the zoo