—Be quiet, Mr Smith is coming.—Don’t worry. It ___ be him. Mr Smith is much taller.A. mustn’t B. must C. can’t
—Maria likes singing. Do you often hear her _______ after class? —Yes, I do.
—Miss Chen teaches _______ English this term. —You’re lucky. _______ is a very good teacher.
词义替换 Pandas are becoming less and less in recent(近来) years.
词义替换 Maria is good at playing basketball.
词义替换 —Why not go out and walk a pet dog?. —Good idea.