是I need not to buy new trousers还是I do not need to buy new tr

是I need not to buy new trousers还是I do not need to buy new tr I don't think he ____a new bike. A. need to buy B. needs buy I need __(buy)a new dictionary. l do not think mr.black ------- a new flat 答案是need buy.我的问题是 I need not to need But first I need to buy the new mobile phone I saw advertize The pen doesn’t work .I need to buy a new one to write_____ The pen doesn't work.I need to buy a new one to write ____.A Mum,I need to buy a new sweater.All right.Your old one has g 关于need 的问题I don’t think he（） a new watch. A need to buy B ne They need to buy a new c____ to take pgotos I want to buy a pair of new trousers to ___ my sweater. A．go