两道英语单选
1.
thefirmwassuccessfullyrunand____,heowedhissuccesstothesupportofhisfriends.
A.lookingbackBlookedbackCtolookbackDwhenlookedback
2.themanwrote___songbelongingtopopmusic,whichis___mosteasyform.
A.a,theB.a,aC.the.theD.the,a