I think black pen ______ Jim.A is belong to B belongs C is belonging to D belongs toI found it difficult to fall a___ last night

I may use your pen,__ __? Have you seen a ( )pen I left it here this morning.Is it( )black one?I think I saw it somewhere.Is it ( ) black one I think I saw it somewhere.这两个空都填什么?请说明原因. ---Have you seen ( )pen I left it here this morning.---Is it ( )black one I think i saw itsomewhere.A:a;the B:the;the C:a;a I think the pen __ quite smoothly A.writes B.is writing C.can be written D.is written Have you seen ______ pen I left it here this morning .Is it ________ black one I think I saw itHave you seen ______ pen I left it here this morning .Is it ________ black one I think I saw it somewhere. I think black pen ______ Jim.A is belong to B belongs C is belonging to D belongs toI found it difficult to fall a___ last night -----Can I have a look_____that black pen?-----_____. be动词填空 1.His pen and my pen ( ) black.2.You and I ( )fine. 11.- Have you seen ___ pen?I left one here this morning .- Is it ___ black one 11.- Have you seen ___ pen?I left one here this morning .- Is it ___ black one I think I saw it somewhere .B.a ; a D.a ; the 第二个空不应该是特批黑色的那支 —Have you seen ________ pen?I left it here this morning.—Is it _________ black one?I think I saw it somewhere.A.a,the B.the,the C.the,a D.a,aA为什么不可以? -----Have you seen----pen?I left it here-----Is it---black one?I think I saw it somewhereA the the B the a C a a D a the I will give my pen to her.(改为同义句） I will __ __my pen. I have a pen变同义句：I __ __a pen I think she__ __ __ __ __ __.我想她不会在写信给我了 I often hear from my pen pal .I often ____ ____ ___ ____ my pen pal .I often __ __ __ __ my penpal I think it is his pen同义句I( )( )it ( )his pen.改否定句! i think the pen is easy to write是否正确, do you think I can use your pen 怎么回答