How’s your new class teacher– We ______ ask for a better one. All my classmateslove him so much.

Tom．Any idea where Mary is— She in thereading room．I sawher there just now．

Never in my life ____ such a thing

The elderly need special care in winter, as they are _____ to the sudden change of weather.

The project ________ by the end of 2012,will expand the city’s telephone network to cover2,000,000 users.[ ]