做在椅子上是 还sit on the chair 还是sit on the chair

做在椅子上是 还sit on the chair 还是sit on the chair 坐在椅子上用sit on the chair 还是sit in the chair the chair looks rather hard ,but in fact it is very comfortable__A．to sit B．to sit on C．sit D．be sat on为什么不选D．be sat on?是椅子被人坐啊? 我坐在沙发上是 I sit in the sofa.还是 I sit on the sofa. 求坐在椅子上的英语?是sit in chair还是sit on chair?那说坐在或躺在床上的呢？ 是sit in the sofa 还是sit on the sofa? 是sit on the chair还是sit in the chair 在椅子上是in the chair还是on the chair?为什么?为什么在公交车上是用on而在车里用in? sit on the floor为什么不可以说sit on floor?the在这里做什么用?还有,为什么不可以说What`s problem? sit it on sit on it sit on the chair sit the chair on 以上哪种说法是错误的,快 这椅子是做什么用的在游民星空上看到这样一把椅子,至今不知是合用处. The chair is comfortable to___( )A.sit B.sit on C.be sit on D.sitting on我选的是A 请问什么时候后面要加介词,什么那时候不用? sit on the chairon the chair 是状语还是宾语sit是及物动词还是不及物动词? The couch is comfortable to __________ A sit B ber sat C sitted D sit on 是sit in the armchair还是sit on the armchair?理由 In the Park 的作文（急啊）在公园里有许多树,树上有鸟窝和小鸟,有小朋友在玩荡秋千,有小朋友做在椅子上看书,还有的在放风筝. The chair looks very old,but in fact it is very confortable to A.sit B.sit on C.be sat D.be sat on为什么选B?什么时候要加后面的介词?椅子不是背坐的么?我们不用被动? 翻译sit on the floor