The engine has broken and the boat is ______ on the water.
B
暂无解析
Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.