配套K12教育资料
Ihadtrouble____yhoeor.A.tofinishB.finishingc.finishesD.finish
②
–
r.ang,Ihavetrouble___thetext.--Reeber____itthreetiesatleast.
A.tounderstand;readingB.understanding;readingc.understanding;toreadD.tounderstand;toread