Thanks _____ your last letter.[ ]

The girl __________ all her savings to the people in the Southwest for the serious drought(旱灾). —What a donation and what a nice girl!

Do you think a radio is useful in learning English? —Sure. A radio can _____ listening English songs and reports.

His family ______ TV at home now.

Let’s go hiking _____ staying at home, shall we?—A good idea. [ ]