Respuesta :
"al" would correctly complete the sentence because it correctly links the verb "vamos" to "parque"
-Let's go to the park at five in the afternoon.
-Let's go to the park at five in the afternoon.
well, you could put al, that could possible mean let's go TO THE (al) park blah blah at 5 the evening. A means to....la or el means the
there for al is just conjucting the words together.
there for al is just conjucting the words together.