THE GRASS WAS YELLOW BECAUSE IT _______ ALL SUMMER.A. AGO B. BEFOR...

27. - THI HOC KI 1 CO DAP AN KEM
Lớp 12 THI HOC KI 1 CO DAP AN KEM

27. The grass was yellow because it _______ all summer.

a. ago

b. before

c. later

d. then

a. does not rain b. has not rained c. had not rained d. would not rain