You must before be carefully什么意思 .有人说这个意思 是“有多远走多远”

You must first be finished before lunch. You must be _(careful) than before. before you give up,you must be pick up. the L/C must be opened before August 26th. Before leaving this country,you must be in__of a valid passport A provide B possession C core D lab We must C----------- your food well before you swallow it All the computers must be ____ down before you leave.All the computers must be ____ down before you leave.A shutB closedC takenD turned You must be sure of your facts before you make a decision. He promised to arrive here before seven .it is eight now You see ,he be hereA would B should C can D must You must before be carefully什么意思 .有人说这个意思 是“有多远走多远” microsoft.net Framework 2.0 must be installed before continuing with the installation you may obtai You must be strong . you must be You must be hungry You must be joking You must be confident. You must be dreaming you must be careful