I bought a pencli on my w__home.

I bought a pencli on my w__home. I have two pencli boxes on the desk 同一句I have two pencli boxes on the desk 同义句 I bought a flat on the(第九)floor. Many books on science ______ since I went to college .A.were bought B.have been bought 应选A还是BMany books on science ______ since I went to college .A.were bought B.have been bought C have bought D bought 应选哪个?若选B,则bought是非延 I bought my father a shirt and a t____ on Father's Day (首字母填空） I bought a toy 什么 my sister.A.to B.for C.on有人知道吗 I bought a hat my sister.A...for B...on C...in D...with I bought a clock in a shop on last Sunday afternoon 有错误!怎么改?为什么? I bought a book for Look at this.Its a pencli case. Everything was on sale and I bought them at a low on my way home,I stopped__some food a buy b to buy c buying d bought 翻译 i learned to play on a piano bought in wuhan i bought presents ( ) my friend . A.on B.in C.for填空 I have bought such a watch ____is advertised on TV.应该填什么,为什么? i bought a sweater for you .please put it on 这句话是什么时态 I bought a clock in a shop on last sunday afternoon.这句有错误,书上说去掉ON,为什么? I bought presents for my friends on holiday.能说成I bought my friends presents on holiday.