Liming please write a letter telling your friend _____ a better language learner A.haw to become

Liming please write a letter telling your friend _____ a better language learner A.haw to become
1.Liming please write a letter telling your friend _____ a better language learner
A.haw to become B.to how to become
2.Ttraveling around paris by taix can ______a lot of money .
A.spend B.pay C.take D.cost