WE COULDN’T GO ON A PICNIC AS PLANED ………..IT WAS RAINING HADRA. HOW...

8. - TRAC NGHIEM ANH 9 UNIT 67
TRAC NGHIEM ANH 9 UNIT 67

8. We couldn’t go on a picnic as planed ………..it was raining hadr

a. however

b. but c. because

d. so