...1、that woman ( ) be at least 50.she looks old答:woman (must)be at least 50.she looks old 2 hans (can't)be here now.I saw him in the library three minutes ago 3 --he (must)come from Japan.--No,he comes from South Korea 连词成句 I,this,already,book,read,have --- Ihave already read this book.room,that,this,is,...