A B_____1)by no means easy a. happening very frequently____2)great diligence b. memorized ____3)how frequently they occur c. regularly ____4)demand constant practice d. try to find ____5)be committed to memory e. certainly not ____6)enlarge your vocabulary f. brings a good result or advantage ____7)on a regular basis g. careful and hard work ____8)seek out opportunities h. buy something ____9)make a purchase in a shop i. increase ____10)it pays to absorb j. often