[ Prepositions ]
We have been waiting ___ twenty minutes.
a. for
b. since

Random Topics:
Will or Going toObject PronounGrammar and StructureGrammar - TOEICModals and AdviceFuture Tense - will and going toPhrasal Verb Put & GoCoordinating ConjunctionsAdverbs of Manner, Likes and PreferencesMuch, many, a lot of, a few, a littleOther quiz:
Grammar › ViewThere was _____ incredibly powerful tornado the last year.
A. in
B. The
C. a
D. an
Conditional Sentences and Adverbs › View
Which of the following sentences contains an adverb clause:
A. If she asks, tell her I am on my way.
B. I am on my way, and I will be there soon.
Demonstrative Speech › ViewGiving helpful tips is in this speech section.
A. Introduction
B. Body
C. Conclusion
Simile, Metaphor or Personification › View
The idea was a fire in my head.
A. Simile
B. Metaphor
C. Personification
