—WhydoesyourunclespeakFrenchsofluently?—He inPar...
问题详情： —WhydoesyourunclespeakFrenchsofluently?—He inParisfortwoyearsandnowheisteachingFrenchinadomesticuniversity.A.hasstayed B.stayed C.hasbeenstaying ...
Eveniftreescannotwalk,theyarestillonthemove. Inpar...
问题详情： Eveniftreescannotwalk,theyarestillonthemove. InpartsoftheArctic,entireforestsaremovingnorthward.AcrosstheArctic,temperaturesarerisingfasterthananywhereelseintheworld.Asthathappens,t...