[ Tenses ]
After upgrading to Pro Data Whiz, our clients began — problems with spreadsheets.
A. has
B. had
C. have
D. having
Select your answer:

Random Topics:
Indefinite ArticleConjunctive AdverbPast ModalsSecond and Third ConditionalPast PerfectVerbs of movementHave as verb and auxiliarySimple, Compound, Complex SentencesAdjectives with PrepositionPresent Simple/AffirmativeOther quiz:
Grammar › ViewIf I _____ to a friend´s house, I usually bring a small gift.
A. going
B. go
C. went
D. will go
Modal Auxiliary › View
I’m sorry that we ….. come to your party next Sunday.
A. can
B. can’t
C. could
D. will
