英语选择 If there's a lot of work ___ ,I'm happy to just
1.If there's a lot of work ___ ,I'm happy to just keep on until it is finished.
A.to do B.to be doing C.done D.doing
2.David threatened ____ his neighbors to the police if the damages were not paid.
A.to be reported B.reporting C.to report D.having reported
选哪个?理由~所选的是作什么语?