a) Look at the irregular verbs section to say the past forms of the verbs: meet, read, drink, make, find, spend, leave, keep, come, eat, go.

{"meet"=>"met", "read"=>"read", "drink"=>"drank", "make"=>"made", "find"=>"found", "spend"=>"spent", "leave"=>"left", "keep"=>"kept", "come"=>"came", "eat"=>"ate", "go"=>"went"}