General Motors, one of the world's largest auto manufacturers, is expanding its ________ in this country.
He ________ me that he decided to leave on Monday.
He refused to tell us whether he ________ (undertake) the job.
在资本主义工商业改造中，高级形式的国家资本主义包括了以下形式_______。
Be careful, _______ you'll fall down.
上具有连续导数，则()