Choose the best answer?Why? 1)A.changed B.learned C.laughed D.listened (gạch chân ed) 2)A.plates B.cakes C.mates D.places (gạch chân es) 3)A.east B.seat C.lead D.great (gạch chân ea) 4)A.fat B.any C.gas D.hat (gạch chân a) 5)She suggested.................to music A)listen B)to listen C)listening D)listened 6)Mary is keen................helping other people A)of B)at C)on D)in 7)Would you like a single room or................room? A)two B)second C)for D)at 8)Because................his laziness he failed the final exam A)of B)in C)for D)at 9)Peter never goes to school late, ................he? A)does B)did C)doesn't D)didn't 10)It’s time we................ the bus. A)catch B)caught C)to catch D)catching