1.87+23=?2.I ______ a worker.A.am B.is C.are D.be3.解方程16-3x=

1.87+23=?2.I ______ a worker.A.am B.is C.are D.be3.解方程16-3x= you as well as ______ bright A.I are B.I am C.I is D.I be Lucy and Lily ______ in the same class A.am B.is C.are D.be A. Where are you from? B. I am from Washington D.C. A. Is it I who _______ your father can decide it .A.is B.am C.are D.b ( ) 2.I am a student,______?A.isn’t I B.am I C.aren’t I D.do 1.Bother and I _ at home.A.am B.is C.are D.here I think your Chinese ___ very good.A.is B.am C.are D.be I think Ann must____on duty today A.be B.is C.are D.am Tom and I( )in the same class.A:am,B:have,C:is,D:are Who is that boy?______.A.He is a student.B.He is a worker.C. i ( ) a girl .my name ( ) jenny.选择：a.is;am b.is;are c.am;is