MILLIONS OF CHRISTMAS CARDS …………. LAST D. WHENMONTHA. SENT B. HAVE...

53. - BAI TAP TRAC NGHIEM TONG HOP A9
BAI TAP TRAC NGHIEM TONG HOP A9

53. Millions of Christmas cards …………. last

d. when

month

a. sent b. have sent c. are sent

d. were sent

c. how