Knowing why a teacher assigned a particular reading helps students determine

what will come in the next reading.
whether they agree with the purpose.
what is important to get out of the reading.
whether they should read the text.

what will come in the next reading.

Explanation:

it helps you know what's going to come next

what is important to get out of the reading (C)

Explanation: i just took the test but got it wrong because someone said to put A so here i am correcting

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.

ah, shun the horrid gulf! by scylla fly.