[ Grammar ]
I do not remember any customer ever ____________ about our service.
A. complain
B. complaining
C. complained
D. to complain

Random Topics:
Clauses of ReasonUnreal ConditionalsPast Simple & Past PerfectArticles & PrepositionVerbs - third personPre-intermediateConditional Sentence Type 0-3Infinitive and GerundConditionals and Modal VerbsMixed TensesOther quiz:
Grammar › ViewFill the sentence with the correct item.
My brother ________ not a student, he is only 5 years old.
A. is
B. was
C. does
So....that... Such.......that › View
……………………… students have a problem with this exercise. I bet the teacher is ………… prankster.
A. So many, such a
B. So many, such that
C. so much, such a
D. so much, such
Grammar › ViewIf my mother goes home late this evening, my father ___________.
A. will cook
B. would cook
C. had cooked
D. has cooked
Vocabulary › View
More than one noun.
A. Regular
B. Irregular
C. Plural
D. Sentence
