its-their
A.mates B.relatives C.members D.fellows
A.normally B.regularly C.usually D.often
A.even B.despite C.even if D.in spite of
將unaware改為awarE.
A.The Agriculatural Trends of 1950’s B.The Unemployment Rate of 1950’s C.U.S. Economy in the 50’s D.The Federal Budget of 1952
demand-demanding.
on-in
A.stopped B.began C.hated D.avoided
A.later B.further C.then D.subsequently