【单选题】每种土都有成分代号,当由两个基本代号构成时,第一个代号表示土的( )。
【单选题】---Do you know the moving story of Jack and Rose? ----Of course.I______ the film Titanic several times.
【简答题】Fill the sentences with the following proper phrases. for our children’s sake all things considered pitch in be okay with take my word for it break up come up with...