I bougbt a new pen,but it doesn't "work"或"works"为什么?

I bougbt a new pen,but it doesn't "work"或"works"为什么? The pen doesn't work.I need to buy a new one to write ____.A The pen doesn’t work .I need to buy a new one to write_____ my new watch doesn't work well,but i will()it and ask someon The new pen I bought last week doesn't work now,which ______ John works very hard but he doesn't work _ Mary.A) as harder 为什么用过去时I will have watch_____because it doesn't work. A.repa My sister Sue( )a new coat but I A have don t B have doesn t -I am trying to learn math well,but it doesn't work very wel He bought a pen , but it didn"t work(改为同义句） It doesn't work? but it doesn't work on children.翻译