I think your Chinese ___ very good.A.is B.am C.are D.be
I think your Chinese ___ very good.A.is B.am C.are D.be
He says the work ___ very exciting.A.are B.am c.is D .be ABC
I think Ann must____on duty today A.be B.is C.are D.am
I ___ think you are ___ right.A.don't;/ B.am not;/ C./;not D
求完整解析 I who your father can decide it.A.is B.am C.are D.be
let's--------good friends,OK?All right.A.are B.is C.am D.be
Hi,John!Here ( ) good news for you.A are B be C is D am
How( )your mother?------- She is ok A am B is C are D be
HOW( )is your teacher?A.am B.is C.are D.be
Here ___ some money A.am B.is C.are D.be
i think the boy ( )quiet in class.A,is B,am C,bring D,be
选择The news ___ very exciting to us (A.be B.is C.was D.are)