1. Which of the following words is a group of words that act as a part of speech but cannot stand alone as a sentence? a. Phrase b, clause C. sentence 2. It is a group of words that has a subject and a predicate. What part of speech it is? a. Phrase b. clause c. sentence 3. A is a unit of written language which has a subject and a predicate and expresses a complex thought. a. Phrase b. clause c. sentence 4. Which of the sentences below is a complete sentence? a. Under the umbrella. b. I jumped over the puddle. c. My two friends and I.​