①使苏联成为强盛的工业国  ②东欧各国大都照搬这一模式

③为苏联的解体埋下了隐患  ④极大地保护了农民的利益

⑴I'm hungry.____                       A. She's running.

⑵What are you doing?____       B. He's making noodles.

⑶What are they doing?____      C. I'm hungry, too.

⑷What is she doing?____          D. They are rowing a boat.

⑸What is Sam doing?____         E. I'm reading a book.