COLUMBUS DISCOVERED AMERICA …….. THE 15TH CENTURY.A. FOR B. S...

8. - BAI KIEM TRA SO 2ANH 9 CO DA
BAI KIEM TRA SO 2ANH 9 CO DA
8. Columbus discovered America …….. the 15

th

century.a. for b. since c. on d. inII- Put the verbs in brackets into correct forms or tenses: ( 1,5 ms )