Please Help ASAP answer all questions!! I think the answer choices are either El, La, Las or Los. Thanks!

Which sound as part of the english on system but not a part of the spanish sound system

What is the imperfect past tense of lento (slow) and barstow ( cheap ) ?

A. the verb table below has three columns. the first column has the present tense of a verb. the second column has the infinitive of the verb. the third column has the preterite tense of the verb. fill in the blank squares of the table with the form that is missing. (see the attach file)