WASHINGTON —

Senate Republicans are moving to try to end the government shutdown by preparing a new bipartisan package of spending bills and daring Democrats to vote for it, but it was unclear if their plan would work.

Many Democrats said they would continue to hold out for an extension of expiring health care subsidies, which was not expected to be part of the legislation.

Senate Democrats, who have now voted 14 times not to reopen the government, left their second caucus meeting of the week Thursday with few answers about whether they eventually could find a compromise with Republicans — or even with each other — on how to end the shutdown.

A test vote on the new package, which had not yet been publicly revealed, could come as soon as Friday. Democrats will then have a crucial choice

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