He hasn’t heard from his friend ______ last month. [ ]

Arthur is responsible ______ the newspaper, isn’t he? — ______, but Joyce is. She’s the chief editor. [ ]

Some of the young men learn English ________ to the radio. [ ]

The weather in Yang Zhou is much colder than ______ in Hainan in winter.

Please call my mother _____ 335 -6889.[ ]