Roundthecornerwasabuilding_____windowswereallbroken.
一电子的动量为3.0×10-24kgm/s，则相应的德布罗意波的波长为(普朗克常量h=6.63×l0-34Js)()
Janeisrestless;sheis_____animportantphonecallfromherparents.
Whenwereturnedfromourvacation,ournextdoorneighborswere______anewgaragebuilt.
I_____him150dollarsandmustpayhimbacktomorrow.
