The Destination A2 PDF will get you 80% of the way there. It is the best resource for controlled practice (gap-fills, sentence transformation, multiple choice).

Having the is only step one. Here is a proven 4-week study plan to go from A2 to "almost B1":

To help you get the most out of your study sessions, could you tell me: Are you studying for a (like Cambridge KET)? Do you prefer self-study or are you working with a tutor ?