Itisdifficultto________theimplicationbetweenthelines.
A、gettoC
A 開始，接觸 C 找出，理解 D 下來，寫(記)下來
_______ for your laziness，you could have finished the assignment by now.
Themeeting_____nextweekwillbeofgreatimportance.
Water is composed _______ hydrogen and oxygen.
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
Pleaseremindme_______herthisnote.
