[ Perfect Tenses of Verbs ]
Luisa has written to the mayor about the smog problem.
A. present perfect
B. past perfect
C. future perfect

Random Topics:
Future Tense VocabularyModal and Auxiliary VerbsPresent Simple and Modal VerbsPast and Present ContinuousPast Perfect Simple TenseConjunctions - ConnectorsComparisionGrammar - SimilesModal Verbs - ObligationClauses and ConjunctionsOther quiz:
Grammar › ViewThis is heavy _______
A. beg
B. bag
Grammar › View
If you ________ faster, we could have turned in the project before deadline.
A. Work
B. Had worked
C. Have worked
D. Working
E. Worked
This laptop is _______ than that one.
A. better
B. gooder
C. more good
D. goodest
Grammar › View
What is opposite word of beautiful?
A. Ugly
B. Dirty
C. Poor
