A:? that? B:That's my grandpa

A:? that? B:That's my grandpa Class is over.Goodbye!( ) .a:That's OK.b:That's right.c:l'm right.d:lt;s fine. Hello,is that Mr.Black speaking?Yes,who's that?Hello,is that Mr.Black speaking?Yes,who's that?_____Mary.A.I'm B.that's C.this is -Let's piay ping-pong.-( )great!A.That's sounds B.That sounds C.That's sound D.That sound How's your homework going,millie?_______ A.l'm still doing it B.Yes,that's OK C.oh,it's boringD.That's all right I'm not sure that's a good idea中that's 为什么带s This is John speaking.Who's that?A.I;m Bill.B.This is Bill.C.That's Bill speaking.D.I'm Bill speaking. ----Is that Jessie over there?---____,I'm sure.A.That's she B.That's her C.So it is D.Here she is----Is that Jessie over there?---____,I'm sure.A.That's she B.That's her C.So it is D.Here she is Thank you very much.A.You're welcome B.That's right C.I'm OK ----Sorry.----_____.A.Sorry.B.I'm not.C.All right.D.That's OK. Sorry,I'm late.-----( A.OK B.All right C.That's all right 选择正确答案,并说明理由（ ） 1、— I’m sorry that I shouted at you this morning.— . But please don’t get angry so easily. A、That’s true B、That’s right C、That’s Ok Give my best wishes to your parents的答语A.It's OK.B.I'm happy.C.That's right.D.That's nice of you. how is your homework going,millie? _______ .A.i'm still doing it B.yes,that's ok C.oh,it's boring D.that's all right Hello!Is that Mr Wang speaking?--Yes,____________?(AI' m speaking 对么B who' s that Cwho' s that That's a good that's a good That's a deal!