I am excited to see all the historical structures —- by the Roman Empire.
A. building
B. to build
C. built
D. to have built
E. having built

Random Topics:
Verbs � Nouns � Adjectives - AdverbsPassive with ModalsSimple Future TensePreposition and AdjectiveContinuous TensesTenses and Word FormationNoun, Quantifiers and SuffixesPast Simple, Past Continuous, Past Perfectmust/shouldRelative Clauses and etcOther quiz:
Conjunctions › ViewIn the sentence “He studied hard, so he passed the test,” what is the purpose of the conjunction “so”?
A. To introduce a contrast
B. To explain a reason
C. To show a result
D. To add information
Preposition › View
What is the function of a preposition in a sentence?
A. It is used to connect two independent clauses in a sentence.
B. It modifies adjectives and adverbs in a sentence.
C. It shows the relationship between a noun or pronoun and other words in a sentence.
D. It indicates the action of the verb in a sentence.
Grammar › ViewWhat is the possessive noun form?
The book of the teacher
A. The book of the teacher
B. The teacher’s book
Grammar › View
What is run-on sentence
A. two independent clauses joined only by a comma
B. An incomplete sentence that is missing either a subject or a predicate/verb
C. Two or more independent clauses without any punctuation between them