来自楼森的问题
Onereason_____therearesomanyFrenchwordsinEnglishisthattheFrenchruledEnglandforquiteanumberofyears．（）A.becauseB.whichC.whyD.what
One reason _____ there are so many French words in English is that the French ruled England for quite a number of years．（）
A.because
B.which
C.why
D.what
