Choose the word or phrase that best completes the sentence.
Although thunder and lightening are produced at the same time, light waves travel faster _____, so we see the lightening before we hear the thunder.
A. than sound waves do
B. than sound waves are
C. do sound waves
D. sound waves

Random Topics:
Present & Past TensesSentences vs Run-OnsWish / If only ( Present)Countable & Uncountable NounsModals of Speculation and DeductionTenses UsageComparatives, Superlatives & EquativesPast PerfectQuantifiers, Countable and Uncountable NounsCountable and UncountableOther quiz:
Compound and Complex Sentences › ViewWhich sentence is a correctly punctuated compound sentence?
A. I went to the movies with Charles and Ginny.
B. My mom went to the salon. She came home with short hair.
C. Trudy tells ridiculous jokes, and nobody likes them.
D. I bought crayons and markers to color my picture and it looked great and everybody liked it.
Grammar › View
I ————— (grow) older.
A. graw
B. grown
C. grew
D. growed
Modal Verbs › ViewDon’t eat it. I’m 100% certain that it … be poisonous.
A. might
B. must
C. could
D. may
Homonyms › View
The red cross is a ___ of emergency health care.
a. cymbal
b. symbol
