THE GASS IS WET, IT ______ LAST NIGHT.A. USED TO RAIN B. RAINS C....

310. - 342 CAU TRAC NGHIEM ON THI TN HOT
342 CAU TRAC NGHIEM ON THI TN HOT
310. The gass is wet, It ______ last night.A. used to rain B. rains C. would rain D. must have rained