Two pens are lost,I want to buy a t_____ one

Two pens are lost,I want to buy a t_____ one The two pens are very nice.I'll take ____?是it 还是them呢? There is an apple and two pens There are an apple and two pens 哪个对 There are two pens on the desk.(two pens就划线部分提问） There are some water and two pens on the desk. Tom has five pens and I have two pens.(改为同意句）I have three pens _____ _____ Tom. I have two pens,one is red,____ two are black. the otherAanother Bthe other 选B不选A 为什么? i have two pens in may bag改成同义句 _____ ______two pens in may bag I lost two ____(set)of keys I have three pens.One is red,_____ two are black.A another B other C the other D the others选项应是什么? there are two pens on the desk.two画线.对划线部分提问 There are two pens in the pencilcae.对划线部分提问(two pencils)划线 these two pens are not the same .they are ( )中间该填什么呢 小学英语There 如果把There are two pens on the desk.改成疑问句怎么改啊.是Are there two pens on the desk?还是Are there any pens on the desk? I have ten yuan .He has eight yuan并成一句He has ( ) ( ) ( ) than I 还有是two pens more than还是more two pens than Which of the two pens ______Tom's?which of the two pens ______Tom's?A.is B.are C.have D.has 选哪一个,我认为选A, These two watches are in the lost and found case there (is) some money in the purse,and there (are)two pens in pencil-box对吗