CC - Run-Ons and Subject-Verb Agreement

The two science teachers and the assistant principal (was, were) attending a workshop. 

The gamers’ commentary in level 2 is enjoyable, however players should play without it first.

The hardest part of the SAT for many is its length, the test is almost four hours long.

Part of the shipment (was, were) missing so Robert returned the order. 

Robert used many different techniques in his writing, he was a very versatile writer.  

Either Carlos or the two brothers (do, does) the laundry for the entire family. 

The children next door (has, have) planted a vegetable garden. 

My father smokes cigars, everything in our house smells like cigars. 

Mr. Pelegrin or the two math teachers (was, were) going to call the principal for a meeting. 

Katrina was disappointed because Dr. Martin and Dr. Escobar (was,were) closing their practice. 

The committee of members (is, are) planning the prom. 

On the SAT, which is NOT a way to fix a run-on? 

Yesterday I played laser tag, I won first place against a bunch of 14 year-olds.

The committee members (is, are) planning the prom. 

The flock of birds (was, were) flying south for the winter. 

The cows and the horse (is, are) on the farm. 

Tory stayed up until 2:00 a.m. last night, so she is feeling very tired today. 

Anyone who ate the shrimp at lunch (was, were) asked to see the nurse. 

The other day my favorite episode of Fresh Prince of Bel-Air was on, I didn't watch it. 

Neither my sisters nor my brother (is, are) coming to the party. 

The Everglades (is, are) a river no matter what anyone says!!!! 

Because the alert sounds kept me up all night, I had to take my phone out of my bedroom. 

Either Mikey or Woody (was, were) drafted to the majors straight out of high school. 

Students at Brown University call themselves Brunonians, it’s weird.

Mary loves to shop in designer stores; she is very fashionable.